1、第四学时GrammarThe power of nature 复习Ving形式传统语法中Ving形式通常被分为动名词和现在分词。一、Ving的形式主动形式被动形式否定形式一般式doingbeing donenot doing/not being done完成式having donehaving been donenot having done/not having been done二、Ving形式作动名词时在句中的作用：1作主语Seeing is believing.眼见为实。注意：(1)动名词(短语)作主语时，谓语动词一般用单数。如：Doing exercises every day is
2、 good for your health.每天做运动有益于健康。(2)动名词的复合结构作主语时，常用形式是：名词所有格/形容词性物主代词doingToms/His being late again made the teacher angry.汤姆/他的再次迟到使老师很生气。2作宾语(1)作动词宾语。用于某些动词(如imagine，enjoy，escape，mind，keep，finish，suggest，avoid，admit，appreciate，pardon，practise，feel like，cant help，allow，advise，consider等)的后面。He sugge
3、sted going out for a walk.他建议出去走走。(2)作介词宾语。He is fond of listening to pop music.他喜欢听流行音乐。Thank you for helping me with my English.谢谢你帮助我学英语。三、Ving作现在分词时在句中的作用现在分词的一般式doing表示其动作与谓语动词的动作同时或几乎同时进行；完成式having done表示其动作在谓语动词的动作之前已经完成。Having finished the homework，he went to play basketball.完成功课后，他去打篮球。(先完成
4、功课，然后再打篮球)Seeing from the top of the hill，I could see a beautiful city.从山顶上看，我能看到一座美丽的城市。(两个“看”几乎同时发生)。1作定语现在分词作定语时，分词表示被修饰名词所发出的动作。单个现在分词作定语时放在被修饰的名词之前，说明该名词的动作、行为或特征；而现在分词短语作定语时，应该放在被修饰的名词之后，相当于一个定语从句。The sleeping girl looks very pretty.那个睡觉的女孩看起来挺漂亮。The girl answering the question is my younger s
5、ister.(The girl who is answering the question is my younger sister.)回答问题的那个女孩是我的妹妹。注意：现在分词作定语时，表示动作正在进行或与谓语动词所表示的动作几乎同时发生，或表示某个经常发生的动作或存在的状态。2作状语现在分词作状语时，可以表示时间，原因，结果，条件，行为方式或伴随状态。Being a friend of yours,I must tell you the truth.作为你的朋友，我必须告诉你真相。(原因)They walked home，singing and dancing.他们边唱边跳着回家。(伴随
6、)When crossing the road,you must be careful.过马路时你必须小心点。(时间)His father died，leaving him a lot of money.他的爸爸去世了，留给他很多钱。(结果)注意：现在分词的逻辑主语和句子的主语应保持一致。(正)Hearing the news,he turned red.(误)Hearing the news,his face turned red.(his face不能发出hearing这个动作)听到这个消息，他脸红了。3作宾补带现在分词作宾补的常见动词有：get，watch，have，keep，notic
7、e，find，feel，observe，hear，listen，leave，smell.I am sorry to keep you waiting so long.对不起，让您久等了。一、用所给动词的适当形式填空。1After a knock at the door，the child heard his mothers voice _ him.(call)2I smell something _(burn)in the kitchen.Can I call you back in a minute?3The Town Hall _ in the 1800s was the most dis
8、tinguished building at that time.(complete)4Excuse me sir，where is Room 301?Just a minute.Ill have Bob _ you to your room.(show)5The glass doors have taken the place of the wooden ones at the entrance，_ in the natural light during the day.(let)pleted4.show5.letting6The children went home from the gr
9、ammar school，their lessons _ for the day.(finish)7Come on，please give me some ideas about the project.Sorry.With so much work _ my mind，I almost break down.(fill)8Peter received a letter just now _ his grandma would come to see him soon.(say)9The flowers his friend gave him will die unless _every da
10、y.(water)10._ that she didnt do a good job，I dont think I am abler than her.(say)6.finished7.filling8.saying9.watered10.Having said11As the light turned green，I stood for a moment，not_，and asked myself what I was going to do.(move)12“Things _ never come again！”I couldnt help talking to myself.(lose)
11、13John received an invitation to dinner，and with his work_，he gladly accepted it.(finish)14He is very popular among his students as he always tries to make them _ in his lectures.(interest)15The country has already sent up three unmanned spacecraft，the most recent _ at the end of last March.(launch)
12、11.moving12.lost13.finished14.interested15.having been launched二、完成下列句子1早上大声地读英语会给你带来很多好处。_ aloud in the morning will do you a lot of good.2再等他是没用的。It is no use _3他们的任务是在西部寻找石油。Their task is_1Reading English2waiting for him any longer.3exploring oil in the west.4史密斯教授考虑给他的学生一份阅读清单。Professor Smith co
13、nsiders_5她觉得养这么一条小狗挺麻烦的。She thinks it troublesome_6从山顶上看去，我们发现这是一个非常漂亮的学校。_，we found it is really a beautiful school.4giving his students a reading list.5keeping such a little dog.6Seeing from the top of the mountain三、语法填空Bob likes smoking and often cant help_1_(do)so while working.One day while oth
14、er colleagues in his office were busy_2_(get)their assignments_3_(complete)，he was caught_4_(smoke)by the boss.His boss cant stand smoking in the office and everybody objects to_5_(do)so during working time._6_(smoke)can lead to delaying _7_(finish)tasks on time.Everyone including Bob should pay more attention to_8_(obey)the rules of the company.And the boss told Bob that if Bob kept on_9_(make)such mistakes，he would like to let him go rather than_10_(have)him pleted4.smoking5.doing6.Smoking/To smoke7.finishing8.obeying9.making10.have祝您
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