Chia động từ ở hiện tại hoàn thành , dùng " haven't và hasn't" cho những câu tiêu cực.
1. ............ Mary ( do ) ...... her homework?
2. ....... we ( see ) ....... that movie ?
3. Oh no! I ( lose ) ........... my cell phone.
4. No , Pat and Sue ( arrive ) ........... . They're not here.
5......... Mr.Smith ( have ) ......... breakfast?
6. I'm nervous .I ( fly ) ........ in a plane .
7. ....... he ( call ) ?
8. ............ you ever ( write ) .......... a poem?
9. I'm not happy . I still ( find ) ......... my call phone
10 . ........ yo ( decided )........ . What food you want to order?
11. ..... Sarah ( read ) ..... the magazine . I gave to her?
12. ......... you ( put ) ....... all your toys away?
13 It ( rain ) ......... for a very long time .
14. I think I ( forget ) ...... to buy some bread
Ai nhanh và đúng mình sẽ tick
1. Has Mary done
2.Have we seen
3. have lost
4. havent arrived
5. Has Mr. Smith had
6. havent flown
7. Has he called
8. Have you ever written
9. havent found
10. Have you decided
11. Has Sarah read
12. Have you put
13. has rained
12. have forgotten