1 动名词作主语、宾语和表语 1）作主语。例如： Fighting broke out between the South and the North. 南方与北方开战了。2）作宾语 a. 有些动词可以用动名词作宾语。例如：admit 承认appreciate 感谢avoid 避免complete完毕consider觉得delay 耽误deny 否认detest 讨厌endure 忍受enjoy 喜欢escape 逃脱fancy 想象finish 完毕imagine 想象mind 介意miss 想念postpone推迟practice 训练recall 回忆resent 讨厌resume 继续resist 抵御risk 冒险suggest 建议face 面对include 涉及stand 忍受understand 理解forgive 宽恕keep 继续例如：Would you mind turning down your radio a little, please? 你把收音机音量调小一点，好吗 The squirrel was lucky that it just missed being caught. 这松鼠幸运得很，刚逃避了被逮住的厄运。 b. 有些构造背面可以用动名词作宾语或其她成分。例如：admit toprefertobe used tolead todevote oneself toobject tostick tono goodno usebe fond oflook forward tobe proud ofbe busycant helpbe tired ofbe capable ofbe afraid ofthink of burst outkeep oninsist oncount onset aboutput offbe good attake upgive upbe successful in3）作表语，对主语阐明、解释。例如：Her job is washing, cleaning and taking care of the children. 她的工作是洗刷、打扫和照顾孩子。比较：She is washing, cleaning and taking care of the children. 4）作定语，一般表达所修饰名词事物的用途。例如：a writing desk=a desk for writing 写字台a swimming pool=a pool swimming 游泳池有些动名词作定语，与所修饰的名词关系比较复杂。例如：boiling point=a temperature point at which something begins to boil 沸点a walking tractor=a tractor which a driver can operate while he or she is walking behind it 手扶拖拉机6.2 worth 的用法 worth, worthy, worthwhile都是形容词，意为值得。1. worth： be worth + n. 当名词为金钱时，表达 值得 常用的有It s worth while to do./ It s worth（someones）while doing be worth doing sth.某事值得被做The question is not worth discussing again and again. 这问题不值得反复讨论。2. worthy：be worthy of +n.当名词为抽象名词时表达值得 be worthy to be done 某事值得被做The question is not worthy to be discussed again and again.3. worthwhile： be worthwhile to do sth 值得做某事It is worthwhile to ask him to join the club.值得邀请她加入俱乐部。典型例题It is not _ to discuss the question again and again.A. worth B. worthyC. worthwhileD. worth while答案C. 由worth的用法可知，此句只适合词组be worthwhile to do sth.。选C。动名词不定式、分词练习1. 1. I was _ work last week, but I changed my mind. a. to start b. to have started c. to be starting d. to have been starting2. 2. I intended _ the matter with you, but I had some guests hen.a. discuss b. discussing c. having discussed d. to have discussed3. 3. Dont let me catch you _.a. do that again b. to do that again c. doing that again d. done that again4. 4. There are many kinds of metals _.a. a. each has its special properties b. one has its special propertiesb. b. each having its special properties d. having its special properties5. 5. Its pay-day, and theyre waiting _.a. for paying b. to be paid c. to be paying d. to have paid 6. 6. _ trouble, Im going to forget the whole affair.a. Then rather cause b. Rather causing c. Rather than cause d. Rather than caused7. 7. The brilliance of his satires was _ make even his victims laugh.a. so as to b. such as to c. so that d. such that8. 8. Children with parents whose guidance is firm, consistent, and rational are inclined _ high levels of self-confidence.a. possess b. have possessed c. to possess d. possessing9. 9. The worker is _ in repairing the machine to notice my coming.a. too busy b. enough busy c. busy too d. busy enough10. 10. “What did you do in the garden?”“I watched my father _ his motorbike.”a. to repair b. repaired c. repairing d. repairs11. 11. We must have an engineer _ the workers build the house.a. to see b. see c. seeing d. seen12. 12. Induction means _ a general conclusion from special facts.a. to come to b. to coming c. coming to d. came13. 13. Im not going to ask the teacher why he gave me that grade; I intend _.a. to let rest the matter b. the matter to be let restingc. letting the matter to rest d. to let the matter rest14. 14. I have tried _ worrying about it.a. to stop consciously b. to consciously stopc. to conscious stopping d. to stopping consciously15. 15. “Do you want to give a talk on that subject?”“I prefer _ .”a. not want b. not wanting c. to not giving d. not to16. 16. I _ the truth of your remarks, although they go against my interests.a. cannot but admit b. cannot help but to admitc. cannot but admitting d. cannot help but admitting17. 17. Since she is angry, we _. a. had better leaving her alone b. should leave her alonec. might as well leave her alone d. had rather leave her alone18. 18. I dont allow _ in my office and I dont allow my family _ at