1. We have learned English for 10 years.

=> It’s been 10 years since we learned English

2. It has been a long time since we last met.

=> We have not met each other for a long time.

3. Ms. Ann hasn’t taken part in any voluntary programs for 4 years.

=> The last time M.s Ann took part in any voluntary programs is 4 years ago.

4. I haven’t met my family since last Christmas.

=> I last met my family since Christmas

5. How long have you lived here?

=> When did you live here?

* Công thức thì hiện tại hoàn thành: S+ have/ has+ PII

* Dấu hiệu nhận biết: For, since,...vv

CHÚC BẠN HỌC TỐT#JADE

CHO XIN 5*+ CTLHN Ạ!

$1$ . It’s been 10 years since we learned English

- S + have/has + V3/-ed
⇔ It has been + [thời gian] + since + S + V2/-ed + …

$2$ . We have not met each other for a long time

- Thì HTHT : S + have/has + Vpp

$3$ . The last time M.s Ann took part in any voluntary programs is 4 years ago

- S + have/has + NOT + V3/-ed + since/for …
⇔ S + last + V2/-ed + when + S + V
⇔ The last time + S + V + was …

$4$ . I last met my family since Christmas

- S + have/has + NOT + V3/-ed + since/for …
⇔ S + last + V2/-ed + when + S + V
⇔ The last time + S + V + was …

$5$ . When did you live here?

- How long + HTHT

- When did + S + V

$Channn$