1. If it (be) is sunny next week, we (plant) will plant the vegetables.

2. If we (recycle) recycle more, we (help) will help our Earth.

3.We (save) will save a lot of trees if we (not waste) don't waste so much paper.

4. More people (have) will have fresh water if we only (use) use the water we need.

5. If the river (not be) isn't dirty, there (be) will be more fish.

6. If the Earth (be)....is...... warmer, the sea level (rise).....will rise.....

7. If the sea level (rise).....rises......, some countries (disappear).......will disappear......

8. If we (reduce).......reduce...... soil pollution, we (have)......will have....... enough food to eat.

9. If we (not have)......don't have....... enough food, we (be)......will be....... hungry.

10. If we (be)....are... hungry, we (be)....will be...... tired.

II.Write the correct form of each verb in brackets

1. is / will plant

2. recycle/ will help

3. will save / don't waste

4. will have/ use

5. isn't / will be

6. is - will rise

7. rises - will disappear

8. reduce - will have

9. don't have - will be

10. are - will be

B . Jack: since you left school, have you (travel) travelled a lot, haven’t you

? Jim: Yes, so far I have lived (live) in eight countries, but of course I have visited(visit) more than that.

Jack: What is the most interesting place have (be) you been to?

Jim: It’s hard to say. I (be) was in Paris a few years ago and i really enjoyed(enjoy) it.

Jack: have (you do) done a lot of sightseeing while you (be) were there?

Jim: Yes, I have done(do).

Jack: Where have (go) you gone ?

Jim: I (go) have gone up the Eiffel Tower, and I (see) have seen a play at the Comedie Francaise. Imust say the play was(be) really good.

Jack: (ever be)have you ever been to the South America?

Jim: No, I (not have) haven't had the chance to go there yet, but I have heard(hear) a lot about it and Ihope to go there next year

1:is

will go

2: recycle

will help

3: will save - don't waste

4: will have - use

5: isn't - will be

is - will go

recycle - will help

will save - don’t waste

will have - use

isn’t - will be

1. If it is sunny next week, we will go on a picnic.

(Nếu tuần sau trời nắng, chúng tôi sẽ đi dã ngoại.)

2. If we recycle more, we will help the Earth.

(Nếu chúng ta tái chế nhiều hơn, chúng ta sẽ giúp ích cho Trái Đất.)

3. We will save a lot of trees if we don't waste so much paper.

(Chúng ta sẽ cứu được rất nhiều cây nếu chúng ta không lãng phí nhiều giấy như vậy.)

4. More people will have fresh water if we use less water.

(Sẽ có nhiều người có nước ngọt hơn nếu chúng ta sử dụng ít nước hơn.)

5. If the river isn't dirty, there will be more fish.

(Nếu sông không bẩn, sẽ có nhiều cá hơn.)

câu 1

1.didin't rain

2.wouldn't have

3.were

4.would be

5.would play

câu 2

1. Did_go

2. Have_ heard

3. has driven

4.would visit

5. don't have

bài 1 :put the verbs in brackets in the correct form

1.   Last year, when we (be)were in Canada , we (go)went skiing (ski) almost every day 

2.  Did  You (watch)watch a football match on TV last night ?

3.   Where did he buy(buy) those trainers ?

4.   We (not go)didn't go out yesterday bacause it (rain)rained. We(watch)watched TV at home  

5.   When the bell rang at the end of the lesson , Lan (put)put her books away and (leave)left

1. Children often __use___ a computer for school work.

2. _____Is Jane watching______ TV now?

3.Mark___doesn't go__ to school on friday afternoon.

4. Look! The cat _____is eating_____ your breakfast.

5. _____Do you study____ IT at school?

6. I ____am not listening________ to music, I ____am playing___ a computergame at the moment.

7. Put on a raincoat. It __is raining_____. It ____rains_____ a lot in summer.

8. Where are the children? ~ They __are reading__books in the library.

1. Children often __use___ a computer for school work.

2. _____Is Jane watching______ TV now?

3.Mark___doesn't go__ to school on friday afternoon.

4. Look! The cat _____is eating_____ your breakfast.

5. _____Do you study____ IT at school?

6. I ____am not listening________ to music, I ____am playing___ a computergame at the moment.

7. Put on a raincoat. It __is raining_____. It ____rains_____ a lot in summer.

8. Where are the children? ~ They __are reading__books in the library.

1 is - will go

2 Have - seen

3 watches

4 Have - seen

5 will go 

6 have

7 has worked

V. Supply the correct form or tense of the verb in brackets  :

1. If it (be) ..............is........ nice tomorrow, we (go) ............will go.......................... on a picnic.

2. ................have...... you ever (see) ................seen........ a real robot ?

1. Nam  often ( watch)  ………………watches………………. in the evening..

2. ……………have………you ever (see) …………seen…………a real robot at work ? – No,  never

3.  If it  is nice tomorrow., we ( go) …………will go………………… on a picnic.

4.  They might not ( have) ……………have……………… a meeting next week

5. Thomas (work) …………has worked………………in this factory since 2006.

1. is/ will go

2. Have /seen

1. watches

2. Have /seen

3. will go

4. have

5. have worked

III. GRAMMAR/ A. Put the verbs into the correct tense- voice (thời- thế)

2. My flight to Tokyo. (delay) was delayed last night.

3. We (wait) have waited at the airport for 3 hours.

4. Ifit (be) is sunny tomorrow, we will go camping.

5. Nick .(not/decided)hasn't decided where to stay during his trip yet.

6. We (go) will go on a guided tour to Japan next week.

7. The tour guide told me that he. (forget) had forgot his passport the day be

8. It's the first time (be) have been to Sapa.

9. We (fly) were flying to Da Nang at this time yesterday.

10. By the time we got to the airport, the flight. (take) will have landed off

11. The tickets can .(book) be booked on line.

12. Many tourists (visit) visited Angkor Wat during peak season.

13. IfI were you, (fly) flied economy class.

14. Our holiday plans .(make) to make by a travel agent right now

15. He used to hate travelling when he .was .(be) young.

16 I. (look) was looking for some information about our holiday destination when the travel agent phoned.

III. GRAMMAR/ A. Put the verbs into the correct tense- voice (thời- thế)

2. My flight to Tokyo. (delay) was delayed last night.

3. We (wait) have waited at the airport for 3 hours.

4. Ifit (be) is sunny tomorrow, we will go camping.

5. Nick .(not/decided)hasn't decided where to stay during his trip yet.

6. We (go) will go on a guided tour to Japan next week.

7. The tour guide told me that he. (forget) had forgot his passport the day be

8. It's the first time (be) have been to Sapa.

9. We (fly) were flying to Da Nang at this time yesterday.

10. By the time we got to the airport, the flight. (take) will have landed off

11. The tickets can .(book) be booked on line.

12. Many tourists (visit) visited Angkor Wat during peak season.

13. IfI were you, (fly) flied economy class.

14. Our holiday plans .(make) to make by a travel agent right now

15. He used to hate travelling when he .was .(be) young.

16 I. (look) was looking for some information about our holiday destination when the travel agent phoned.

1. plays

2. will go

3. Will__collect

4. to do

5. going

6. did

7. are playing

8. do

9. playing

10. have colleted

1: plays

2: will go

3: will

colect

4: to do

5: going

7: are playing

6:  did

8: do

9: playing

10: have colleted