B1 Independent English · Grammar in conversation
Present Perfect vs Past Simple: Connect Experience and Time
Move naturally from a general experience or present result to the finished details of what happened.
1 · Notice the shift
A conversation often uses both tenses
Mina: Have you ever worked in another country?
Leo: Yes, I have. I worked in Chile in 2023.
Mina: How long did you stay there?
Leo: I stayed for eight months. I have kept in touch with several colleagues since then.
The present perfect opens the topic and connects it to now. The past simple gives finished details such as when, where and how long.
2 · Build the meaning
Ask whether the time is finished
| Meaning | Preferred tense | Example |
|---|---|---|
| Life experience; no finished time is named | Present perfect | I have visited Peru twice. |
| A finished event at a finished time | Past simple | I visited Lima last year. |
| A recent action with a result now | Present perfect | She has lost her key, so she cannot enter. |
| A sequence of completed actions | Past simple | She left the key at work and called her sister. |
| An unfinished period that includes now | Present perfect | We have had three meetings this week. |
| A finished period | Past simple | We had three meetings last week. |
3 · Time expressions
Use signals, but always check the meaning
Present perfect
ever, never, already, yet, just, recently, so far, this week, since, for
“I haven’t finished yet.”
Past simple
yesterday, last week, in 2024, two hours ago, when I was younger
“I finished it two hours ago.”
Since gives the starting point: since March. For gives the duration: for five months. If the situation continues now, use the present perfect.
4 · Guided practice
Complete the tense conversation
A: ______ you ever ______ (take) an online course?
B: Yes. I ______ (complete) a design course last summer.
A: ______ it ______ (help) you at work?
B: Definitely. I ______ (use) the techniques many times since then. In fact, I ______ just ______ (finish) a new project.
A: When ______ you ______ (start) the project?
B: We ______ (start) it six weeks ago.
Show the answers and logic
Have / taken opens a life-experience topic. completed and Did / help discuss the finished course. have used connects repeated use to now. have / finished gives a recent result. did / start and started refer to the finished time six weeks ago.
5 · Improve accuracy
Repair these common mistakes
- “I have seen her yesterday.”
- “Did you ever try Korean food?” when asking about life experience.
- “I live here since 2022.”
- “She has went home.”
- “We haven’t received it already.” when the expected action has not happened.
Show corrected versions
1 I saw her yesterday. · 2 Have you ever tried Korean food? · 3 I have lived here since 2022. · 4 She has gone home. · 5 We haven’t received it yet.
6 · Use it
Build an experience-to-details answer
Choose one topic: travel, study, work, a new skill or an important challenge. Speak or write for one minute.
- Open with a present-perfect experience: “I have…”
- Move to a finished example: “Last year, I…”
- Add two past-simple details.
- Return to the present result: “Since then, I have…”
7 · Progress check
Test yourself
1. I ___ that film three times. a) have seen b) saw yesterday
a) have seen. This reports experience without a finished time.
2. We ___ the contract on Monday. a) have signed b) signed
b) signed. Monday is presented as a finished past time.
3. She ___ here since January. a) has worked b) worked
a) has worked. Since connects the starting point to now.
4. Have you finished ___? a) already b) yet
b) yet. Yet is natural in questions about an expected action.
5. I can’t open the door. I ___ my key. a) have lost b) lost last week
a) have lost. The present result is the important meaning.
6. After “Have you ever…?”, which question usually follows? a) When did you…? b) When have you…?
a) When did you…? The follow-up asks for finished details.
7. This month, we ___ four units so far. a) completed b) have completed
b) have completed. The period includes now and so far marks current progress.
8. Last month, we ___ four units. a) completed b) have completed
a) completed. Last month is finished.