1. She has not eaten eel soup before.

-> Cấu trúc: This is the first time + S + V_pII

= S + V_pII + before.

2. She has written for 30 minutes.

-> Cấu trúc: S + began/started + to V/V_ing + ... ago/when ...

= S + V_pII + for .../since ...

4. They have studied English since they were in grade 3.

-> Tương tự câu 2

5. I haven't been abroad before.

-> Tương tự câu 1

6. She hasn't worked with foreigners before.

-> Tương tự câu 1

7. She has cried for 2 hours.

-> Tương tự câu 2

8. We have chatted on the phone since it began to rain.

-> Tương tự câu 2

#Chii

#Team: Tired of studying well 

`1.` She has not eaten eel soup before.

`→` This/It is the first time + S + have/has + VPII.

`=` S + have/has not + VPII + before

`2.` She has written for 30 mintues.

`→`S + started/began + VING/TO V + time

`=` S + have/has + VPII + for/since + time

`4.` They have studied English since they were in grade 3.

`→`S + started/began + Ving/TO V + time

`=` S + have/has + VPII + for/since + time

`5.` I haven't been abroad before.

`→` This/It is the first time + S + have/has + VPII.

`=` S + have/has not + VPII + before

`6.` She hasn't worked with foreigners.

`→` This/It is the first time + S + have/has + VPII.

`=` S + have/has not + VPII + before

`7.` She has cried for two hours.

`→`S + started/began + Ving/TO V + time

`=` S + have/has + VPII + for/since + time

`8.` We have chatted on the phone since it began to rain.

`→`S + started/began + Ving/TO V + time

`=` S + have/has + VPII + for/since + time