Bài ôn tập môn Tiếng Anh khối 11 - Tenses

TENSES ( Thì )
1. SIMPLE PRESENT TENSE:( Thì hieän taïi ñôn )
S + VERB ( 0,S, ES )->S + do/does +not + V0.->DO/DOES + S + V0?TOBE. S + AM/IS/ARE..
 + To show the truth , everyday habits , naturals , present actions ( Dieãn taû haønh ñoäng xaûy ra ôû hieän taïi ) 
	Ex: The sun rises in the east.
+ Expressions often used are: always , usually , often , frequently , sometimes , seldom , rarely,
every day/ night/ afternoon/week/ month/ year , once a week 
	Ex: She always goes to church on Sundays .
2. PRESENT CONTINUOUS TENSE ( To be + ving ) (Thì hieän taïi tieáp dieãn )
 S + ( AM / IS / ARE ) + V-ing + OBJECT
+ To show things that are happening over a long period time(Dieãn taû haønh ñoäng ñang xaûy ra ôû hieän taï)
 	Ex : They are watching the football match on TV now.
+ Expressions often used are: at the moment , at the present time . now , right now.
+ Present continuous is often used in the following structures
	Ex: Keep silent! The baby is sleeping. Ex: Be careful! The bus is coming. 
3. PRESENT PERFECT TENSE ( Thì hieän taïi hoaøn thaønh )
 S + HAS / HAVE + V3 / Ved
+ To express an action that happened in the past and continues to the present ( Dieãn taû moät haønh ñoäng xaûy ra trong quaù khöù vaø coøn tieáp tuïc ñeán hieän taïi )
	Ex: We have studied English for six years.
+ To express an action that happened in the past but the time is indefinite. ( Dieãn taû moät haønh ñoäng xaûy ra trong quaù khöù nhöng thôøi gian khoâng xaùc ñònh ) Ex: I have seen that film before.
+ Expressions often used ; sofar , up to now , until now , already. never , ever , recently , just , for , since.
Note : S + HAS / HAVE + V3 / Ved + SINCE + S + V2 / ed 
	Ex: I have known Mary since she was a baby.
4. SIMPLE PAST TENSE ( Thì quaù khöù ñôn )
S + V2 / ed -> S + DIDN’T + V0. ->DID + S + V0? TOBE. S + WAS/WERE..
+ To show things which happened and ended.( Dieãn taû moät haønh ñoäng xaûy ra trong quaù khöù )
	Ex: I studied well last year.
+ Expressions often used ; yesterday, last week / month / year, ago,time in the past – in 1990.
5. PAST CONTINUOUS TENSE ( Thì quaù khöù tieáp dieãn )
 S + Was / Were + V-ing + Object
+ To show things which were happening at a time or during a period of time in the past ( Dieãn taû haønh ñoäng ñang xaûy ra ôû moät thôøi ñieåm xaùc ñònh trong quaù khöù ) Ex: At this time yesterday morning, I was playing chess with John.
	Ex: We were doing home work at 8 p.m yesterday.
A / When + S + V2 / ed , S + Was / Were + V-ing.
	Ex: When he came, they were cooking dinner.
B / As + S + Was / Were + V-ing , S + V2 / ed
	Ex: As it was raining, I left home.
C / S + Was / Were + V-ing + While + S + Was / were + V-ing
	Ex: I was doing my homework while my mother was cooking lunch.
6. PAST PERFECT TENSE ( Thì quaù khöù hoaøn thaønh )
 S + HAD + V3 / Ved 
+ To show things which happened before a point of time in the past ( Dieãn taû moät haønh ñoäng xaûy ra tröôùc moät thôøi ñieåm trong quaù khöù )
	Ex: He had left England for France before 1990.
+ To show things which happened before another thing in the past ( Dieãn taû moät haønh ñoäng xaûy ra tröôùc haønh ñoäng khaùc trong quaù khöù )
A / S + HAD + V3 / Ved + BEFORE + S + V2 / ed
	Ex: They had phoned me before they came here.
B / S + V2 / ED + AFTER + S + HAD + V3 / VED
	Ex: I went to school after I had had breakfast.
7. SIMPLE FUTURE TENSE ( Thì töông lai ñôn )
 S + WILL + V(bare infinitive)
+ To show things which will happen in the future
	Ex: We will visit Ha Long Bay next week.
+ Expressions often used are tomorrow, next week / month / yea, soon (chẳng bao lâu), someday.
EXERCISE: PUT THE CORRECT VERB IN THE BLANKS.
1. He was writing to his friend when he (hear)................. a noise.
2. Up to now, I (learn) ................. a lot of information about her.
3. My mother (be)....... very happy when she (meet)............ her old friend again two days ago.
4. I .(meet)............... many people since I came here in June.
5. Peter (wait)................... for her wife's letter since last Friday. Now he hasn't received yet. 
6. We (learn)................... maths at 8 o’clock last week.
7. When I (open)............... the door, she was reading a newspaper.
8. She was playing games while he (watch)................... a football match.
9. She (go)................. to Ho Chi Minh city last year.
10. Water (cover).................... most of the Earth's surface.
11. Lee (have)......... her shirt made one month ago.
12. Nowadays my mother (go)............... to work on foot.
13. ................ he (play) . football now?
14. My brother (not, explain)................ it to me yet.
15.  your father (take) . you to London with him tomorrow?
16. He (play)................ football since he was a boy.
17. I (see) .................. a film for two years up to now.
18. When the telephone rang, she (write)............... a letter.
19. What  you (do) .. yesterday?
20. ............. you (just, buy)..... a new house?
21. They (wait) .................. for an hour when the final bus came.
22. I came into the room while they (listen)................ the radio.
23. The old people (prefer). ............... tea to coffee.
24. That little boy (cry)........... non-stop for the past hour.
25. Mary (wear)........................ a beautiful long dress at the moment.
26. While I (wait).................. for a bus, I saw a terrible accident.
27. After he (finish).. ................ work, he went straight home.
28. He (be).................. in Vietnam since January 5.
29. The boy fell while he (run) ................ down the stairs.