1. Unit3 Grammar
Grammar

2. Let’s join the two sentences together:
1.She is very helpful.
She is ready to help people any time.
She is very helpful and is ready to help
people any time.
2. We may not get to see each other often.
We’ll always be best friends.
We may not get to see each other often but
we’ll always be best friends.
3. Do you like swimming?
Do you like climbing the hill?
Do you like swimming or climbing the hill?

3. Work out the rule:
When the two subjects (主语) are the same, we do not need to repeat (重复) the first one.

4. ◆ We use ‘and’, ‘but’ and ‘or’ to join ideas together.
Conclusion:
◆ We use ‘and’, ‘but’ and ‘or’ to join ideas together.
◆ We use ‘and’ to join ideas that are similar.
◆ We use ‘but’ to join ideas that are different.
◆ We use ‘or’ to join possibilities or options.

5. Tianjin has many restaurants.
Tianjin baozi is very famous there.
Tianjin has many restaurants and
Tianjin baozi is very famous there.
It is very cold in winter in Heilongjiang.
Skiing there is great fun.
It is very cold in winter in Heilongjiang but Skiing
there is great fun.

6. You can go to the Palace Museum with Kitty.
You can go to the Palace Museum with Sandy.
You can go to the Palace Museum with Kitty or Sandy.
I like Huaihai Road in Shanghai.
I don’t like the busy traffic.
I like Huaihai Road in Shanghai
but I don’t like the busy traffic.

7. The Yellow Mountain is high.
The Yellow Mountain is beautiful.
The Yellow Mountain is high and
beautiful.
You can go to Shenzhen at Christmas.
You can go to Shanghai at Christmas.
You can go to Shenzhen or
Shanghai at Christmas.

8. I hope to visit the Opera House.
Australia is too far.
I hope to visit the Opera House but Australia is too far.
Inner Mongolia is a great place.
You can go horse riding there.
Inner Mongolia is a great place and you can go horse riding there.

9. 用and,but,or填空
but
1.It was a great day ____________we didn’t enjoy it at the beginning.
2.The sky was blue____________everything was beautiful.
and
and
3.They are lovely _____________wonderful. or
4.You can go to Beijing by train____________by plane.
but
5. The boy is young,______________he knows a lot about history. or
6.Peaple can’t live without air ___________water.
but
7.Bill got up early ,____________he was late for the meeting at last.
8.The children are singing __________dancing happily.
and

10. and but or or and or and but or or
11.We’d better go __________see the house ourselves.
but
12.He likes singing , ___________his sister likes dancing. or
13.Would you like tea _____________coffee? or
14.You can go there by bus _____________on foot.
and
15.English ____________Chinese are different languages or
16.Which is bigger, the moon _____________the sun?
and
17.Use your head, ___________you’ll find a good idea.
but
18.Nanjing is beautiful, ____________it’s very cold in winter. or
19.Hurry up, ___________you’ll miss the bus. or
20.She can’t speak Japanese ______________English.

11. Correct the following sentences:
1.There isn’t any water and air on the moon.
2. Work hard or you’ll pass the exam.
3.He likes playing basketball, and football and badminton.
4. It’s such a hot day, and the boys still play football in the pitch.
5. Amy usually goes to school by bus and by taxi.
6. He was ill, and he still went to school on time.
7. The sky is blue, everything is beautiful.
and
but or
but ∧
and

12. verbs + ‘to’-infinitives

13. Work in pairs to talk about trips.
1.Who do you plan to take out?
2.Where do you want to visit?
3.How do you decide to go out?
4.What do you want to take?
5.What do you hope to do there?
Work in pairs to talk about trips.
动词不定式: to +动词原形

14. We can use verbs and to-infinitives together.
agree/ choose /decide /hope /learn / plan / prepare / want
would like /need / have/ try / try one’s best ……to do sth.
tell sb. (not) to do / ask sb. (not) to do / wish sb. (not)
to do / teach sb. to do sth / invite sb. To do sth.
make sb. do / let sb. do / had better do sth.
can / could / may / might / must / should do sth.
will / shall / would do sth.
be able to do sth
It’s ……to do sth.
be willing to do sth.
It'
be ready to do sth.
help sb. (to ) do sth.

15. to sit
to let
to watch
to take
to leave

16. to have to go to play feel to ride to read share to visit to stay
1.They are preparing ______________(have) a sports meeting.
to go
2.Jim agreed ________________(go) to the West Lake.
to play
3.It’s easy ______________(play) softball.
feel
4. What made you_______________ (feel) sad?
to ride
5.Mr White learned _______________(ride) a horse last year?
to read
6. We will try our best _______________(read) more books.
share
7. Let’s _______________(share) our joys together.
to visit
8. Where do you plan__________________(visit ) next year?
to stay
9.Max decided____________________(stay) with us at home.
to drive
10. Are you ready________________(drive) me home?

17. Complete the sentences:
to ride a bike
1.The girl taught herself_____________________________(骑自行车)
able to read magazines
2.The children are___________________________________(能读杂志)
learn languages well
3.We should_____________________________(学好语言)
not to play football on the road
4.The policeman told the boys__________________________________
(不要在马路上踢足球)
to help people solve problems
5.The social worker tries his best________________________________
(帮助人们解决问题)
which car to choose
6.My father didn’t know ___________________________(选择哪辆车)
to play baseball
to play softball
7.It’s easier _______________(打棒球) than ________________(玩垒球)
not make a noise
8.Would you please_____________________________(别发出噪音)?

18. to have a Chinese lesson once a week
9.They agreed_______________________________________
(每周上一次汉语课)
to read and write
10.John’s mother taught him__________________________(读书写字)
work for ten hours every day
11.The boss made the workers ________________________________
(每天工作十小时)
to help people in trouble
12.Are you willing __________________________(帮助有困难的人)?
I will be a hero in the future
13.He hopes ________________________________(我将来当英雄)
not go camping tomorrow
14.You’d better ____________________________( 明天别去露营)
not to join that club
15.Bill asked me_________________________（不要参加哪个俱乐部）

19. Reflexive pronouns

20. Translation 结论: 主语和宾语一致时使用反身代词. 1.I fell over and hurt myself.
2. My sister can look after herself.
3. The students enjoyed themselves on Sundays.
4. Bill and I made a nice kite for ourselves.
5. The boy is too young to look after himself.
结论: 主语和宾语一致时使用反身代词.

21. Fill in the blanks with reflexive pronouns
yourselves
1.Boys and girls, help _____________to some apples.
herself
2. Can your little sister look after _______________?
himself
3.My brother began to teach ____________English in her thirties.
yourself
4.Make _____________at home, Kitty.
themselves
5. Do you want to leave your children by______________at home?
himself
6.Mary’s grandfather fell down and hurt______________.
ourselves
7.Amy and I can work out the problems ________________.
itself
8.Look! The cay is washing______________in the sun.
myself
9. I decided to do the work_______________.
yourself
10. Come here, Peter . You must do the work by _____________.

22. Goodbye!