I. Use the correct tense or word forms :
I look forward to (see).......................................... you.
We suggest (run)............................................ around the park.
She asked me when my school vacation (start)..............................................
He (work)................................... here for many years .
If we go on (litter).............., the environment (become) ..................... serious poluted.
I suggest that you should (reuse)............ ……………your bag.
We suggest that buses should (use)................................................widely.
You (buy)............ ...............……….a new car, didn’t you?
They (learn) ............. …….....................…….since 2001.
10. Air (pollute)....................................................... can make people ill.
II. Rewrite:
1. We can’t swim in this river because the water is polluted.
Because of ...............................................................................................................................
2. We can’t come to the party on time since there are a lot of trafficon the streets.
Because of .............................................................................................................................
3. Although he was sick, he wanted to go out. ( but)
................................................................................................................................................
4. I can’t buy this bike because I don’t have enough money. ( therefore)
......................................................................................................................................................
5. He failed the exam as he didn’t learn lessons.
Because ............................................................ ........................................................................
6. I can’t go to school to day because I have a toothache.
Since................................................................. .........................................................................
7. Nobody can answer this question because of its difficult.
Because ......................................................................................................................................
8. He can’t play basketball because of his height.
Because he ................................................................................................................................
9. He can’t meet you because of being busy.
Since ..................................................................................................................................
The wether was bad, but they decided to go for a pinic.
Although ...............................................................................................................................
It is raining, so we decide to postpone our trip.
Because of ..............................................................................................................................
I felt tired but I had to finish this work.
Though ...................................................................................................................................
She can’t work hard because she is old.
Because of ...............................................................................................................................
III. Each sentence has a mistake indentify and correct it.
1. If only we had a bigger house we can invite our friends to stay.
2. It took me so many time to learn this lesson.
3. They listened to their teacher carefully, as they understood the lesson easily.
4. The boy broke the window when he is playing football with his friends.
5. Peter and John plays badminton every Saturday with Mary.
6. She wishes he will stop interrupting her whenever she speaks.
7. Digital flat televisions are too expensive for we to buy at this time.
8. I haven’t seen my grandparents since a quarter of a year
9. Your friends went to your native village last weekend, weren’t they?
10. Nam asked Mai what he can do to help her.
IV/ Put the verbs in brackets into the correct form.
1.Tommy (watch) ...............................................TV when the phone rang.
2. I (not hear)................................................. of him since we last met.
3.What a pity! He goes to bed so late. I wish he (not go)..................................... to bed so late.
4. They (not eat) ...................................... that food before.
5. It is better if the litter (put) ............. …………….... on the bins.
