1. She (come) ..........came.............. to France 2 years ago.

2. I (just send) ........have just sent..........................the letter.

3. He (work).............has worked............................ for that company for 5 years.

4. I (graduate).............graduated....................... from Hue University last year.

5. Tom (play ).........plays............................. football every afternoon

. 6. I (cook) .........was cooking.............................. in the kitchen when he came in

7. Mai (attend) ........is attending............................ a meeting at the moment.

8. (help) .....................Helping............ him whenever he needs.

9. Mary (find) ........found........ a five – pound note while she (walk) ...........was walking..........to school yesterday.

10. I (just finish) ....have just finished................. reading War and Peace .It's a brilliant book.

11. I (not be) .will not be....................... at work tomorrow ,I'm taking the day off.

12. How long ...have............ you (be ) ...been..... a nurse, Mss Lan? For 5 years.

13. While Peter (drive) was driving....................... home late last night he (run) ....ran.................. out off the petrol.

15. She always (get) ...gets........................ up early to study her lessons.

16. Nylon (invent) ..was invented............ in early 1930s by an American chemist, Julian Hill. Other scientists (work) ...worked........ with his invention and finally on 27 Octorber 1938, nylon (introduce)....was introduced.............. to the world .It was cheap and strong and immediately (become) ......became........... successful, especial in making old ladies' stockings. During the Second World War , it (use) ............. used.... to make parachutes and tyres. Today, nylon (find) .......is found............. in many things: carpets, ropes, seat bells, furniture, computers and event space parts for the human body. It ( play ) .............plays..... an important part in our lives for over 50 years. Next year, about 2.6 million tons of nylon (manufacture) ....will be manufactured..........

`II`.

1. came

2. have just sent

3. has worked

4. graduated

5. plays

6. was cooking

7. is attending

8. Helping ( V đứng đầu câu nên là Ving )

9. found/ was walking

10. have just finished

11. won't be

12. have/ been

13. was driving/ ran

15. gets

16. was invented/ worked/ was introduced/ became/ was used/ is found/ has played/ will be manufactured

-------------------------------

+) Thì hiện tại đơn: S + Vs,es + O

+) Thì hiện tại tiếp diễn: S + is/am/are + Ving + O

+) Thì hiện tại hoàn thành: S + have/has + PII + O

+) Thì quá khứ đơn: S + Ved + O

+) Thì quá khứ tiếp diễn: S + was/were + Ving + O