⏱️ Lesson 1.1: Present Perfect vs Past Simple

Two Tenses, One Choice

In A2 you met the present perfect (I have visited Rome) and the past simple (I visited Rome in 2019) as separate tools. At B1, they stop being separate and start competing: for almost any sentence about the past, your brain has to pick one. That choice is one of the biggest things that separates an intermediate speaker from a beginner.

Here's the good news: the choice follows a clear logic. It isn't about how long ago something happened — it's about whether you are connecting the past to now, or placing it in finished time. Once that clicks, dozens of "confusing" sentences suddenly make sense.

The Core Difference

Learn this one idea and everything else follows:

graph TD
    A["Talking about the past"] --> B{"Is there a finished time word? yesterday, in 2019, ago..."}
    B -->|Yes| PS["Past Simple"]
    B -->|No| C{"Connected to now? result, experience, unfinished time"}
    C -->|Yes| PP["Present Perfect"]
    C -->|"No, just a finished event"| PS
                

⚠️ The golden rule: If you say when (a finished time — yesterday, last year, at 6 p.m., in 2010), you must use the past simple. You cannot say "I have seen him yesterday." ❌ → "I saw him yesterday." ✅

For & Since

These two little words are present-perfect signals. They describe a situation that started in the past and is still true now — exactly what the present perfect is for.

⚠️ Important Note: With for/since + present perfect, we mean the action continues now. Compare: "I lived in Madrid for two years" (past simple = I don't live there now) vs "I have lived in Madrid for two years" (present perfect = I still live there).

Already, Yet, Just & Still

These adverbs live naturally with the present perfect and make your speech sound fluent and current.

How They Work Together

Here's the pattern that makes you sound like a real speaker: open with the present perfect (to introduce a topic or experience), then switch to the past simple for the specific details.

Listen for this shape in a real conversation:

🔊 Hear It & Repeat — Model Sentences

Listen to each model sentence, then say it back. Use the 🎧 Audio control (bottom-right) to choose a UK or US voice and slow the speed down. Notice how the present perfect links the past to now, while the past simple points to a finished time.

Practice & Project

Tips & Common Mistakes

✅ Do's

• Scan for a finished time word first — if it's there, use the past simple, no exceptions.
• Use the present perfect for experiences and news ("I've broken my phone!") where the result matters now.
• Open a topic with the present perfect, then drop into the past simple for the story.

❌ Common Mistakes

📓 Learning Journal

📝 Lesson Summary

🎉 What You've Accomplished

You've taken two tenses you already knew and learned to choose between them with real judgment. That single skill will quietly improve almost everything you say about the past — and it's exactly the kind of control that defines an independent B1 speaker. 🎉

❓ Common Questions at This Stage

🔭 Looking Ahead

Next, we deepen the present perfect into its continuous form. In Lesson 1.2, you'll learn have been + -ing to emphasize how long an activity has been going on ("I've been studying English for years") — and when to prefer it over the simple present perfect.

✅ Before the Next Lesson

• Tell someone about three experiences, each opened with the present perfect.
• Answer "How long have you…?" questions with for and since.
• Write your Learning Journal entry for this lesson.