⌛ Lesson 8.1: Present Perfect — for, since, just, already, yet

In Lesson 4.1 you used the present perfect to talk about your life experiences — "I've been to Spain," "I've never eaten sushi." Now we go deeper. We'll learn how to say how long something has continued (with for and since), and how to add the small but powerful words just, already, and yet. These are the words that connect your past to your right now. ⏳

📚 What You'll Learn

By the end of this lesson, you will be able to:

Use for (a length of time) and since (a start point) correctly
Ask and answer "How long have you…?" questions
Add just, already, and yet in the right position
See when to choose the present perfect and when to choose the past simple

⏱️ Estimated Time: 45–55 minutes

🎯 Project: Talk about your life "up to now" in 6+ sentences using for, since, just, already, and yet — spoken to a partner or recorded on your phone.

In This Lesson

A Quick Look Back

Remember the shape of the present perfect: have / has + past participle. "I have lived here." "She has worked here." In Lesson 4.1 you used it for experiences — things that happened at some time in your life, with words like ever and never.

Today we use the same tense for a new job: to talk about something that started in the past and is still true now. "I've lived here for five years" means I moved here five years ago and I still live here. The present perfect is a bridge — one end is in the past, the other end is in the present. 🌉

🧠 Mindset

You already know the hardest part — the form. Everything new today is about the little words around it: for, since, just, already, yet. Learn them one at a time. If a sentence still feels tricky, add the magic word: "I can't use yet perfectly… yet." 🌱

for & since

Both for and since answer the question "How long?" The difference is what comes after them.

for + a length of time — how long the whole period is.
since + a start point — the moment it began.

for + length of time	since + start point
for three years	since 2020
for two weeks	since Monday
for ten minutes	since 9 o'clock
for a long time	since I was a child
for six months	since last summer

"I've lived in this city for five years." · "I've lived in this city since I was twenty." · "We've known each other for a long time." · "We've known each other since school."

See how they can describe the same situation? Both sentences below are true at the same moment:

graph LR
    START["Age 20 — I moved here"] --> NOW["Now, age 25 — I still live here"]
    START -.->|since I was twenty| NOW
    START -.->|for five years| NOW

💡 A Quick Test

Ask: Is this a piece of time or a point in time? If you can count it (three days, two years, an hour) → use for. If it's a date, a day, or an event that says when it began (Monday, 2020, breakfast) → use since. A handy trick: since often works with a calendar or a clock. 🗓️

How long have you…?

To ask about duration, use How long + have/has + subject + past participle? The answer usually uses for or since.

Question	Answer with for	Answer with since
How long have you lived here?	For six years.	Since I left school.
How long has she had that job?	For a few months.	Since March.
How long have they been married?	For ten years.	Since they finished college.

How long have you lived here? How long have you studied English? How long have you known him? For about two years. Since last summer.

just & already

Now two words that add feeling to the present perfect. Both go between have/has and the main verb (the past participle).

just — a very short time ago

just means "a moment ago." The action finished only seconds or minutes before now:

"I've just finished my homework." · "She's just arrived." · "We've just had lunch."

already — sooner than expected

already means the action is done — and often earlier than we thought. It is used in positive sentences:

"I've already seen that movie." · "He's already eaten." · "They've already left."

💡 Word Order

Put just and already before the main verb: have + just / already + past participle. So it's "I've already eaten," not "I've eaten already" (although native speakers do say that too, in a relaxed way). For A2, the safe place is in the middle. 🎯

graph LR
    H["have / has"] --> J["just / already"]
    J --> V["past participle"]

yet

yet means "up to now." We use it in questions and negatives, and it goes at the end of the sentence.

Question: asking if something has happened by now — "Have you finished yet?"
Negative: it hasn't happened, but we expect it will — "I haven't eaten yet."

"Have you called her yet?" — "No, I haven't called her yet." · "Has the bus arrived yet?" — "It hasn't arrived yet."

✅ already vs yet

They are a natural pair. Use already when the thing is done (positive): "I've already done it." Use yet when it isn't done, or you're asking (question/negative): "Have you done it yet?" "I haven't done it yet." One says "done!", the other says "not done… so far."

⚠️ Watch Out: where the word goes

just and already go in the middle (before the main verb). yet goes at the end. ✅ "I've just arrived." · ✅ "She's already gone." · ✅ "Have you eaten yet?" · ❌ "I've yet arrived." · ❌ "Have you yet eaten?"

Present Perfect vs Past Simple

You know both tenses now, so here is the key idea in one line: use the present perfect when the time is unfinished or connected to now, and the past simple when the time is finished and clear.

Present perfect (link to now)	Past simple (finished time)
I've lived here for five years. (still here)	I lived in Paris in 2019. (not now)
I've just eaten. (a moment ago)	I ate at seven o'clock. (a finished time)
Have you seen it yet?	Did you see it yesterday?

💡 The Time-Word Clue

Finished time words — yesterday, last week, in 2019, two days ago, at seven o'clock — call for the past simple. "Up to now" words — for, since, just, already, yet, ever, never — call for the present perfect. Let the time word guide you. 🧭

Putting It Together

Here is a small phrase bank to help you start:

I've lived here for… I've known her since… I've just… I've already… Have you … yet? I haven't … yet.

Now let's listen to two friends catching up:

A: Hi! How long have you lived in this neighborhood?
B: For about three years — since I started my new job. And you?
A: Since last summer. I've just moved into the apartment on the corner.
B: Nice! Have you found a good café yet?
A: Not yet. I haven't explored much. Have you had breakfast?
B: I've already eaten, thanks — but I'd love a coffee. There's a lovely place I've known for years.
A: Perfect. Let's go — I haven't tried it yet! ☕

✅ Notice the Mix

Look again at the dialogue: for three years, since last summer, just moved, already eaten, and two uses of yet. All five words in one short chat — that's exactly how real conversation sounds. 🎉

🔊 Hear It & Repeat — Model Sentences

Listen to each model sentence, then say it back. Use the 🎧 Audio control (bottom-right) to pick a UK or US voice and make the speed slower. These sentences use for, since, just, already, and yet.

I have lived in this city for five years.
She has worked here since 2020.
I have just finished my homework.
They have already eaten dinner.
Have you called the doctor yet?

Practice & Project

🏋️ Exercise 1: for or since?

Objective: Fill each gap with for or since.

I've studied English two years.
She's lived here 2019.
We've known each other we were children.
He's had a headache three hours.
They've been married last June.

✅ Answer

1. for · 2. since · 3. since · 4. for · 5. since

🏋️ Exercise 2: just, already, or yet?

Objective: Fill each gap with just, already, or yet. Watch the position — yet goes at the end.

I've arrived — I walked in one minute ago.
Don't cook for me. I've eaten.
Have you finished your report ?
No, I haven't sent the email .
The movie has started, so we're a little late.

✅ Answer

1. just · 2. already · 3. yet · 4. yet · 5. just

🎯 Your Project: My Life Up to Now

Speak out loud — to a partner, in class, or into your phone's recorder. Talk about things in your life that started in the past and continue now, plus what you've done recently.

(3 min) Say 6 or more sentences about your life "up to now." Use for and since for at least two of them: "I've lived in… for…" "I've studied… since…"
(2 min) Add one sentence with just (something you did a moment ago) and one with already (something done sooner than expected).
(2 min) Include a question and a negative with yet: "Have you … yet?" "I haven't … yet."
(1 min) If you recorded yourself, listen back. Did just/already go in the middle, and yet at the end?

✅ Project Completion Checklist

☐ I said 6+ sentences about my life up to now
☐ I used for (a length of time) and since (a start point) correctly
☐ I used just and already before the main verb
☐ I used yet in a question and a negative, at the end
☐ I asked and answered a "How long have you…?" question

🎯 Quick Quiz

Question 1: Choose the correct sentence.

Question 2: Which sentence puts the word in the right place?

Tips & Common Mistakes

✅ Do's

Use for with a length of time (for two weeks) and since with a start point (since Monday).
Put just and already before the main verb: "I've just seen it."
Put yet at the end, and use it in questions and negatives: "Have you eaten yet?"
Use the present perfect for time that reaches "now," and the past simple for a finished time.

❌ Common Mistakes

⚠️ Watch Out

"since three years" ❌ → "for three years" ✅ (a length of time takes for).
"for Monday" ❌ → "since Monday" ✅ (a start point takes since).
"I've eaten yet." ❌ → "I've already eaten." / "I haven't eaten yet." ✅ (yet is for questions/negatives).
"I've lived here for five years ago." ❌ → "I've lived here for five years." ✅ (ago goes with the past simple, not the present perfect).

📓 Learning Journal

Keep your learning journal going. After this lesson, take a few minutes to write down:

Key concepts you learned
Things that clicked for you
Questions or confusion points to revisit
Ideas you want to try
Your progress and feelings about connecting the past to now

✍️ This lesson's prompt: Write two true sentences about your own life using for and since — for example, "I've studied English for two years," "I've lived in my home since 2021." Then write one sentence with just, one with already, and one negative with yet.

📝 Lesson Summary

🎓 Key Takeaways

for + a length of time (for two years); since + a start point (since 2020).
Ask duration with How long have/has + subject + past participle?
just = a moment ago; already = sooner than expected — both go before the main verb.
yet = up to now — used in questions and negatives, at the end of the sentence.
Present perfect = link to now; past simple = a finished, clear time.

🎉 What You've Accomplished

You've turned the present perfect into a real, flexible tool. Now you can say how long something has lasted, tell someone you've just done something, share what you've already done, and ask whether something has happened yet. These small words make your English sound natural and connected. That's a big step forward. 🎉

❓ Common Questions at This Stage

Can I use "for" and "since" with the past simple too?

You can use for with the past simple for a finished period: "I lived in Paris for two years" (but not now). since normally pairs with the present perfect, because it looks from a start point up to now. For A2, keep since with the present perfect.

What's the difference between "already" and "yet"?

already says the thing is done (positive): "I've already paid." yet is for questions and negatives — the thing is not done, or you're checking: "Have you paid yet?" "I haven't paid yet."

Can I say "I just ate" instead of "I've just eaten"?

Yes! In American English, the past simple is very common with just, already, and yet: "I just ate," "I already paid," "Did you eat yet?" The present perfect ("I've just eaten") is also correct in American English, and it is the usual form in British English. This lesson practices the present perfect because it is correct everywhere and it often appears on tests — but you will hear both.

🔭 Looking Ahead

You've been joining verbs to time. Next we look at what happens when one verb follows another. In Lesson 8.2, we'll learn verb patterns — when the second verb takes -ing ("I enjoy cooking") and when it takes to ("I want to cook"). It's a small pattern that unlocks many sentences.

✅ Before the Next Lesson

Say two true sentences about your life with for and two with since.
Tell someone one thing you've just done and one you've already done.
Ask a "Have you … yet?" question and answer it with a negative.
Write your Learning Journal entry for this lesson.

🌟 Encouragement for the Journey

The present perfect is the tense that ties your whole story together — where you've been, how long you've stayed, and what you've just done. Every time you say "I've lived here for…" you're telling a piece of your life in English. Keep telling it. See you in Lesson 8.2! 👋