1. Learning aims : V-ing as subject and object

2. Revision 1. 这个大厅比我们的教室大五倍。 2. 我宁愿你今晚上呆在家中读点书。 3. 我宁愿一个人呆着，也不愿和你出去。 4. 母亲总是告诉我不要瞧不起任何人。 5. 每天校门口都有警察防备着捣乱分子（ trouble-makers) 。 This hall is 5 times as big as our classroom. This hall is 5 times bigger than our classroom. This hall is 5 times the size of our classroom. I would rather you stayed at home and did some reading this evening. I would rather stay alone than go out with you. Mother always tells me not to look down upon anyone. Every day there are police at the school gate looking out for trouble-makers.

3. 6. 他是我校第一个去玉树当志愿者的中学生。 7. 袁博士于 1930 年出生， 1953 年毕业于西南农学院 8. 他 1964 年出生， 1978 年参军。。 老师对我的回答很满意，让我坐下。 9. 用他的杂交水稻种子，农民们种出的粮食是以前的两倍。 10. 他使用一本字典，已经学会了两千多个英语单词。 He is the first student in our school to go to Yushu as a volunteer this year. Born in 1930, Dr Yuan graduated from Southwest Agricultural College in 1953. Born in 1964, he joined the army in 1978. Using his hybrid rice, farmers are producing harvests twice as large as before. Using a dictionary, he has learned more than 2,000 English words. Satisfied with my answer, the teacher let me sit down.

4. 1.Finding ways to grow more rice has been his life goal. 2.Spending money on himself or leading a comfortable life also means little to him. 3.Just dreaming for things costs nothing V-ing as subject 做早操对健康有好处。 大声朗读对我们学习一门外语是很重要的。 早睡早起被认为是一种好习惯。 Doing morning exercises is good for health. Reading aloud is very important for us to learn a foreign language. Going to bed early and getting up early is considered to be a good habit

5. 1.__________ (smoke) is bad for you. 2.__________(learn) English is hard for me. 3._______( do ) your homework is a good idea. 4.________( use) a mobile phone on a motorcycle is dangerous. 5. _________ (travel) abroad can be very exciting. Travelling Using Doing Learning Smoking Practice To develop our industry and agriculture rapidly is necessary. It is necessary to develop our industry and agriculture rapidly. Ex.1 on P. 13

6. It – Ving as subject 有时也可用 it 做形式主语，但一般只用于固定句型，详见优化 P. 40. 1.It's a waste of time your _______ (talk) to him. 2. It's no use ________ (argue) about it. 3. The dictionary is of great use. It is worth ________ (buy). 4. It's no good _______ (wait) here. Let's go home 5. There is no point in ___________ (complain). They can't do anything to help you. talking arguing buying waiting complaining

7. 1.He saw the great need for increasing the rice output. 2.Dr Yuan searched for a way to increase rice harvests without expanding the area of the fields. 3.He enjoys listening to violin music, playing mah-jong, swimming and reading. 4.Dr Yuan awoke from his dream with the hope of producing a kind of rice that could feed more people. V-ing as object

8. Practice 1.He apologized to the teacher for _______ late. 2. Her family are all proud of _______(have) such a splendid house. 3. I enjoy _______(play) the violin in my free time. 4. I intended ______________ (come) to your house last night but it rained. 5.Yuan Longping is famous for __________ (supply) the farmers with super hybrid rice seeds. 6. They only allow ________ (smoke) in restricted areas being having playing coming/to come supplying smoking

9. Ex.3 on p. 13 To do : promise, fail, hope, afford, hope, plan Doing: enjoy, finish, mind, miss, keep To do / doing : try, stop, forget, like, start,begin,. The lights are still on. Who forgot to turn them off last night The room is dark. I forgot turning the lights off last night I‘m trying to learn English well ． I tried knocking at the back door ， but nobody answered ． They stop to smoke a cigarette. I must stop smoking. Ex. 4 on p. 13 优化.p. 42

10. 1. Do you remember _________________ (take) to Beijing at the age of ten? 2.James was afraid of _____________ (attack) by sharks. 3. Clancy didn't mind ___________ (tell) what to do. 4. Please excuse my ________(come) in without _____________ (ask). 5. No one can prevent the plan from ______________ (carry out). 6. The bird was lucky that it just missed __________ (catch). 7. I came late and missed _______ (see) Jack winning. 8.She suggested _______ (do) it in a different way having been taken being attacked being told coming being asked being carried out being caught seeing doing Practice

11. 1.Please remember _________( lock) the door when you go out. 2. She pretended ________ me when I passed by. A. not to see B. not seeing C. to not see D. having not seen 3. Little Jim should love ________ to the theatre this evening. A. to be taken B. to take C. being taken D. taking 5. She was the first woman __________________ (elect) to such a post. 6. This machine is said __________________(said), so we can use it. 7. It's a great honour _____________(invite) to Mary's birthday party. 8. Don’t talk with him. He seems ______________(eat) something. to lock A A to have been elected to have been tested to be invited to be eating Practice