Bài 9: Bài tập viết lại câu thì hiện tại hoàn thành dưới dạng câu khẳng định dựa trên những từ gợi ý dưới đây 1. Mary / visit / his grandparents 2. Jack / play games / on the computer 3. John and Su / wash / their car 4. Andrew / repair / his bike 5. Phil / help / Anne with maths 6. Brad and Louise / watch / a film 7. Tamara / talk to / her best friend 8. Bridgette / draw / a picture 9. Carol / read / a computer magazine 10. Tom and Alice / be / to a restaurant

1. Mary / visit / his grandparents

=> Mary has visited his grandparents for weeks
2. Jack/play games / on the computer 

=> Jack has played games on the computer for hours
3. John and Su / wash / their car 

=> John and Su have washed their car for hours
4. Andrew / repair / his bike 

=> Andrew has repaired his bike for hours
5. Phil / help / Anne with maths 

=> Phil has helped Anne with maths for hours
6. Brad and Louise / watch / a film 

=> Brad and Louise have watched a film for 2 hours
7. Tamara / talk to / her best friend 

=> Tamara has talked to her best friend for hours
8. Bridgette / draw / a picture 

=> Bridgette has drawn a picture for hours
9. Carol / read / a computer magazine 

=> Carol has read a computer magazine for hours
10. Tom and Alice / be / to a restaurant

=> Tom and Alice have been to a restaurant for hours

(vì câu của bn ko cs thời gian  nên mik thêm "for hours, for weeks" vào nha)

Thì hiện tại hoàn thành:

S + have/has + PII+ ....+ for + khoảng thời gian trong quá khứ

                                     + since + mốc thời gian trong quá khứ