EXERCISE 1:REPLACE THE UNDERLINED CLAUSES BY A INFINDITIVE OR INFINITIVE PHRASE

1.I don't like him playing in the street.I wish we had a garden that he clould play in.

2.He simply loves parties.he is always the first who comes and the last who leaves.

3.the last person who leaves the room must turn off the light.

4.the first man who was intervieswed was entirely unsuitable

5.I've got a bottle of wine but I haven't got anything that I could open it with

EXERCISE 2: USE REDUCED RELATIVE CLAUSES IN PLACE OF THE RELATIVE CLAUSES

1.we had a river in which we could swim

2.Here are some accounts that you must check

3.the last student that was interviewed was tom

4.we visited hanoi.which is the capital of vietnam

5.my father.who is pilot.often goes abroad

6.I was the only one who realized him

7.I have some homework which I must do tonight

8.Our solar system is in a galaxy that is called the milky way

9.I was awakened by the sound of a laughter which came from the room which was next to mine at the motel

10.there are six reports which have to be typed today

1."why didn't you tell me the truth, Mary ?" He said

➜He accused.......................

2."Don't play with the matches !" I said to jack.

➜I warned........................

3." I must have made a mistake in the calculations"

➜Mrs. Forest admitted.....................

4." I wish I were a movie star"

➜ He dreamed.......................

5."You can't run out of the garden," Ms Kelly said to children

➜Ms Kelly prevented....................

6.Peter doesn't get good marks because he doesn't study hard.

➜If...........................

7.I am not you, so I can't help him.

➜If...........................

8.he spends hours watching television; that's why he never has time to do his.

➜If...........................

9.She works very hard, so she earns a lot of money

➜If...........................

10.I never get very lonely because I have lots of good friends

➜If...........................

11.You drink too much coffee, that's why you can't sleep

➜If...........................

12.He cannot find a good job because he doesn't know how to use a computer

➜If...........................

13.John is fat because he eats so many chips

➜If...........................

14.I don't buy it. I don't have enough money

➜If...........................

15.He's very thin; that's why he feels the cold so much

➜If...........................

SUPPLY THE COTTECT VERB FORM TO COMPLETE THE FOLLOWING SENTENCES.

1.Many young people are fond of........(play) football and other kinds of sports

2.Your house needs.......(redecorate)

3.It was nasty memory.Do you remember both of us wearing sunglasses to avoid....(recognize)by the supervisors.

4.we found it very difficult....(work) with gamma

5.I can't read when I am traveling It makes me....(feel) sick

6.I need.......(know) what's in the letter.why don't you let me....(read) it?

7.I have some exercises....(do)

8.Please wait a minute.My boss is busy....(write) something

9.I'm sure that the know how...(use) this new machine

10.I suggested...(go) go out for some fresh air

11.We finally decided..(stay) where we were

12.listen! I hear someone...(open) the gate

13.the small girl enjoys....(give) toys on her birthday

14.the schoolboy promised....(not,make) mistakes again

15. ..............(spend) all his money he decided to go home and ask his father for a job

16. ..............(see) photographs of the place I had no desire to go there

17.Althougt younger than the other children, she demanded....(include) in the game

18.he decided.....(take) an umberlla with him

19. ....(find) the money they began quarrelling about how to divide it

20. ....(take part in) this kind of campaign many times these volunteers are experienced

a)HNO3→AL(NO3)3→AL2O3→AL2(SO4)3

b)CU(NO3)2→CU(OH)2→CU(NO3)2

c)H3PO4→Ca3(PO4)2→H3PO4

d)AL4C3←C⇌CO2→CO→CO2→CaCO3→CO2

e)Si→SiO2→Na2SiO3→H2SiO3

a)HNO3→Al(NO3)3→AL2O3→AL2(SO4)3

b)CU(NO3)2→CU(OH)2

c)H3PO4→ca3(PO4)2

d)AL4C3←C⇌CO2→CO→CO2→CaCO3→CO2

e)Si→SiO2→Na2SiO3→H2SiO3

rewrite the dialogues in reported speech using gerund

1)"you stole tim's watch.didn't you,john !"

➜Tim's mother accused..............

2)"It true.I killed the man"

➜He admitted..........................

3)"me?no,I didn't take sue's calculator,"said Bob

➜Bob denied...........................

4)"I'm very grateful to you for your help,Mr.smith"

➜Sue thanked......................

5)"I'm sorry I couldn't come on saturday,"said david

➜David apologized...................

6)"Why don't we go back to singapore?" I said

➜I suggested................

GIẢI PHƯƠNG TRÌNH LƯỢNG GIÁC CƠ BẢN

4sin²4x=1

1)If I see Duc, I ........(give) him your message

2) He ............(send) you some information if you tell him your address

3)If kate.........(be) late again, she will lose her job

4)She will be sick if the.........(eat) all that ice-cream

5)If we.........(go) out tomorrow evening, we...........(miss) thay new programme on TV

6)I (be).........angry if it turns out that you are wrong

7) If he (finish).......with the computer, I will put it away

8)If I had a typewriter I........(type) it myself