Bài 1: Tính

a)      ( 3 + 2x )³

b)      ( ½ - y )³

c)       ( x – 5 ) ( x² + 5x + 25 )

d)      ( 3x + ½ ) ( 9x² – 3/2*x +1/4 )

Exercise 5: Put the verbs in brackets into the correct form.

1.  The teacher let the class (leave) ______early.

2.  My sister advised me (tell)_______ her the truth.

3.  I fancy (see)_______ a film tonight.

4.  Peter considered (move)________ to new York.

5.  He admitted (cheat)______ on the test.

6.  He offered (drive)_______ us to the supermarket.

7.  Do you want (come)______ with us to the cinema?

8.  He tries (stop)______ (smoke)______ , but he can't.

9.  The rain prevented us from ( play) ________ football.

10.  I am used to (get)_______ up early in the morning.

11.  He went on (speak) _______ although none was paying attention.

12.  John forgot (turn)________ off the lights when he went to bed.

13.  I really enjoy (stay)____ at home and (watch)______ TV.

14.  (Get)______ enough sleep is very important for your health.

15.  (Smoke)_______ is not allowed inside this building.

16.  Can you teach me how (do)_______ this exercise?

17.  I hope (study)_______ better on the next school year.

18.  Can you (afford) ______ to buy that car?

19.  Don't forget (send)_____ me a letter.

20.  We started early so as to avoid (get)______ traffic jam.

21.  You should practise (speak)_______ English every day.

22.  Mr James agreed (sign)____ the contract with our company.

23.  I can't help (feel)_______ I've forgotten something.

24.  My sister started (work)______ as a teacher in 1999.

Exercise 4: Circle the mistake in each sentence.

1.    It took me a very long time recovering from the shock of her death.

2.    Remember taking off your shoes when you are in a Japanese house.

3.    My parents permitted me going out at weekends.

4.    Money is used to buying food and clothes.

5.    He often lets me to use his mobile phone.

Exercise 3: Put the verbs in brackets into the correct form.

1. Don’t forget (lock) the door before (go) to bed.

2. I tried (explain) but he refused (listen) and went on (complain) __________.

3. Your windows need (clean) ; would you like me (do) them for you?

4. He heard the clock  (strike) six and knew that it was time for him (get) up.

5. After walking for three hours we stopped (let) the others (catch) up with us.

6. His doctor advised him (give up) (jog) .

7. I didn’t feel like (work) so I suggested (spend) the day in the garden.

8. Most people prefer (spend) money to (earn) it.

9. Do  you remember (read) about it? ~ No, at that time I was too young (read)

newspaper.

10. Please stop (cry) . I hate (see) a woman (cry)

11. I catch him (climb) over my wall. I asked him (explain) but he refused (say)

anything.

12. Do you expect (pass) this course? If so, you’d better (work) harder.

13. You don’t need (ask) his permission every time you want (leave) _________ the room.

14. Before he let us (go) _______ he made us (promise) (not tell) anybody

what happened.

15. Try (avoid) (be) late. He hates being kept (wait) ___________.

16. We considered (drive)                to New York, but at last we decided (fly) .

17. They agreed (spend)                   $10,000 (rebuild) the hall.

18. I don’t mind (stay)              home, but I’d rather (go)           out tonight.

19. They begin (encourage) __________ younger people (quit) _______ (smoke) _________.

20. After (play)             with his toys for about half an hour, the boy started (cry) ______ loudly.

Exercise 2: Choose and circle the correct verb.

1.  I must remember inviting / to invite George to my party.

2.  Henry tried eating / to eat salt with his apple but it tasted horrible.

3.  I regret telling / to tell you that I won’t be able to come. Maybe next time.

4.  Joe forgot locking / to lock the door last night.

5.  They stopped singing / to sing to listen the news broadcast.

6.  That house looks awful. It needs painting / to paint.

7.  They don’t allow parking / to park in front of the building.

8.  Stella remembered meeting / to meet Fay at the lift because they were both late.

9.  Ann tried climbing / to climb the tree but she couldn’t.

10.          As I was going home, I stopped having / to have a look in a shop window.

11.          You’ll never regret doing / to do a kind action.

12.          Sorry - I didn’t mean interrupting / to interrupt you.

13.          I’ll never forget meeting / to meet the Queen.

14.          I’m in a difficult position. What do you advise me doing / to do?

15.          I saw Mary crossing / cross the road and disappearing I disappear into the post office.

16.          Please go on writing / to write, I don’t mind waiting / to wait.

17.          I need a change. I need going / to go away for a while.

18.          She stopped talking / to talk about that and went on describing / to describe her other problem.

19.          I looked out of the window and saw Dan riding / ride his bike along the road.

20.          I heard the bomb exploding / explode.

21.          Can you smell something burning / burn?

22.          As I passed his house I heard him practising / practise the piano.

23.          Dad allowed Dora going / to go to the party.

24.          We listened to the old man saying / say his story from the begining to end.

25.          The doctor advised Carmen taking / to take more exercise.

Exercise 1: Fill in the blank spaces with the gerund, infinitive with to or infinitive without to of the verb in brackets.

Exercise 6: Whichs verb form is correct?

1. a. Passing the kitchen, he stopped drinking/ to drink a large glass of water.

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b. They stopped talking/ to talk when the teacher walked into the classroom.

2.  a. Although she asked him to stop, he went on tapping/ to tap his pen on the table.

b.  Dr Harris welcomed the members of the committee and went on introducing/ to introduce the subject of the meeting.

3.  a. I regret telling/ to tell you that the model you want is out of stock.

b.  It cost me a fortune, but I don’t regret spending/ to spend a year travelling around the world.

4.  a. Remember checking/ to check your answer before handing in your exam paper.

b.  I remember putting/ to put the money in the top drawer, but it’s not there now.

5.  a. Have you forgotten meeting/ to meet me years ago?

b.  Don’t forget finding out/ to find out how many people are coming on Saturday.

6.  a. I tried taking/ to take some aspirin, but the pain didn’t go away.

b.  I tried getting/ to get the table through the door, but it was too big.

7.  a.  He needs working/ to work harder if he wants to make progress.

b.  It’s difficult problem. It needs thinking/ to think about very carefully.

8.  a. I think Nick meant breaking/ to break that glass. It didn’t look like an accident.

b.  If we want to get there by 7.00, thet means getting/ to get up before 5.00.

Exercise 5: Put the verbs in brackets into the correct form.

1.    It is dangerous (learn) _______ out of the window.

2.    You had better (say) _______ nothing.

3.    He made me (move) _______ my car.

4.    You are too young (understand) ________ .

5.    He found that (park) _______ was difficult.

6.    After (swim) ______ I felt cold.