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Exercise 1:
- I won't go to school unless I feel better.
- Tony won't walk to you unless you question him.
- You'll be cold unless you put your overcoat on.
- You will fail the exam unless you work hard.
- You'll get a cold unless you keep your feet dry.
- I won't go to the party unless you go.
- I'll miss my flight unless I leave now.
- I can't send you a postcard unless you give me your address.
- I can't build a school for the poor unless I win a big lottery.
- I will call the police unless you leave me alone.

dùng cấu trúc : Do/would you mind + (not) + doing sth hoặc Would/Do you mind if... ? để viết lại các câu sau cho lịch sự hơn :
1. Please don't smoke
Do/Would you mind not smoking ?
2.can I turn on the tv
Do you mind if I turn on the TV? / Would you mind if I turned on the TV?
3.will you help me carry this box upstairs ?
Do/Would you mind helping me carry this box upstairs ?
4. can you solve this math problem for me ?
Do/Would you mind solving this math problem for me ?
5. can i use your personal computer for some minutes ?
Do you mind if I use your personal computer for some minutes? / Would you mind if I used your personal computer for some minutes?
6.can you show me how to operate this machine ?
Do/Would you mind showing me how to operate this machine ?
7.can i ask you some questions about your family ?
Do you mind if I ask you some questions about your family? / Would you mind if I asked you some questions about your family?
8. May i take a photo of your new house?
Do you mind if I take a photo of your new house? / Would you mind if I took a photo of your new house?
9. will you please take me around the town?
Do/Would you mind taking me around the town ?
10.can i borrow your english dictionary ?
Do you mind if I borrow your English dictionary? / Would you mind if I borrowed your english dictionary?

1 fill in the blank with a suitable from of verb in the bracket
1 she asked me (give) .TO GIVE.. You this discussion
2 Ba likes (play)PLAYING badminton
3 Tom (learn)HAS LEARNED Vietnamese for three years
4 you(meet)MET his sister last night
5 he used (stay)TO STAY up late to play games
6 do you enjoy (read)READING books
7 Nam (live)LIVED in this neighborhood ten years ago
8 she (receive )RECEIVED a letter from her mother last week
9 what DID you USE TO DO(use,do) in the past ?
10 they always (go)WENT fishing in the morning when they were young
11 Nam( live)HAS LIVED here for ten years
12 Ann likes (cook)COOKING but hates(wash)WASHINGup
13 I asked my brother (help)TO HELP me with my work
1 fill in the blank with a suitable from of verb in the bracket
1 she asked me (give) to give You this discussion
2 Ba likes (play) playing badminton
3 Tom (learn) has learnt Vietnamese for three years
4 Did you(meet) meet his sister last night ?
5 he used (stay) to stay up late to play games
6 do you enjoy (read) reading books ?
7 Nam (live) lived in this neighborhood ten years ago
8 she (receive ) received a letter from her mother last week
9 what did you (use,do) use to do in the past ?
10 they always (go) went fishing in the morning when they were young
11 Nam( live) has lived here for ten years
12 Ann likes (cook) cooking but hates(wash) washing up
13 I asked my brother (help) to help me with my work

Chuyển sang câu bị động
1/ Are you writing a letter?- Is a letter being written by you?
2/ Did you believe me?- Was I believed by you?
3/ Does she plant trees?- Are trees planted by her?
4/ Hadn’t they built the new bridge?- Hadn't the new bridge been built by them?
5/ Can I hep you?- Can you be helped by me?
6/ Does he have to complete this?- Does this have to be completed by him?
7/ Did the enemy use to attack the bay?- Did the bay use to be attacked by the enemy?
8/ Did she enjoy people calling her “Miss”?- Did she enjoy being called "Miss"?
9/ Do you love me helping you?- Do you love being helped by me?
10/ Do you want me to take some photograph for you?
Do you want to be taken some photograph for by me?

Dear Sir, I (1) am writing to complain about EASY camera. I bought (2) it two weeks ago. I just received my first set (3) of color photos only yesterday. I am enclosing them with this letter. You will see that they (4) are very dark.I think that your EASY (5) camera is very bad, but I will try again. You see, (6) it wasted my money on (7) my first set of photos. Would (8) you please send a new film to me? If the next photos are also very (9) bad, I will send the camera to you and ask you (10) to return my money.
Your faithfully,Tony Brown
VII. Fill in each space with one suitable preposition.
1. I’ve arranged an excursion …………for…… you.
2. He accused me ………of……… lying.
3. You can’t hide the truth …from…………… me.
4. Would you kindly explain this ……to………… me?
5. Invest some money …………in…… this company.
6. Can you forgive me ……for………… what I did?
7. I can’t advise you …against………… your private life.
8. Translate this report …into……… Spanish for me.
9. I’ll reserve a seat ………for……… you.
10. You remind me ……of………… my sister.
11. Don’t associate me ……with………… them.
12. He stole money ……from………… the firm.