牛津译林版（2019）必修 第三册Unit 2 Natural disasters Grammar and usagee课件(共14张PPT)

(共14张PPT)
Unit 2 Natural disasters
Grammar and usage
非谓语的本质
名称 抽象 本质 运用
不定式 to do 不确定 将来，目的
动名词 doing 确定 长期，稳定
现在分词 doing 谓语的分身 与谓语动词同时发生
过去分词 done 完成
小试牛刀
I would like____________(come)to your party.
（smoke）____________is bad.
I sat here，____________(think) of her.
I found her____________(go).
I found my bike____________（steal）.
to come
Smoking
thinking
gone
stolen
不定式做定语
不定式与被修饰词之间具有几种逻辑关系：
主谓关系
动宾关系
同位关系
动状关系
辨一辨
Mary was the first girl to work out the problem.
He hopes to be offered a job to drive for a boss.
John said he had an important meeting to attend.
This is the best way to solve the problem.
主谓关系
动宾关系
同位关系
动状关系
The Browns have a comfortable house to live.
The Browns have a comfortable house to live in.
注：在动宾关系中，如果不定式是不及物动词，后面应该有相应的介词，不可省略。
Please give me a knife to cut.
Please give me a knife to cut with.
__________
动词不定式作结果状语
动词不定式作状语，表示谓语动词发生的目的、结果、原因、条件等，还可以作评论性状语。
表示出人意料的结果，不定式前常有only。
She hurried to the station only to be told the train had gone.
她匆忙赶到车站却被告知火车已经开走了。
too……to… 太……而不能……
He is too excited to say anything.
他激动地说不出话来
enough……to… 足够……而能够……
Is that room big enough to seat all of us？
那个房间足够大能坐得下我们所有人吗？
so……as to…如此……以至于……
He was so brave as to do what he did.
他如此勇敢以至于做了此事。
such……as to…… 如此……以至于
He was such a brave man as to do what he did.
他是如此勇敢的人以至于做了此事。
时态/语态 主动 被动
一般式 to do to be done
完成式 to have done to have been done
进行式 to be doing to be being done
完成进行式 to have been doing to have been being done
一般式：to do
表示的动作发生在谓语动词之后，且主动：
I was told to clean the classroom.
一般被动式：to be done
表示的动作发生在谓语动词之后，且被动：
The airport to be completed next year will help promote tourism in this area.
完成被动式：to have been done
表示的动作发生在谓语之前，且被动：
He claimed to have been badly treated in the supermarket when he was doing shopping yesterday.
进行时：to be doing
表示发生的动作和谓语动词同时发生：
We didn’t expect you to be waiting for us here.
完成进行时：to have been doing
表示动作从过去一直持续到现在：
She is said to have been writing the novel about New York for years.
It is+adj(difficult,important,necessary,dangerous……)for sb. to do sth.
It’s common for leaves to fall from the trees in autumn.
It is+adj.(brave,clever,foolish,honest,kind,wise……)of sb. to do sth.
It is kind of you to help us.你帮助我们真是太好了
不定式的复合结构
单句语法填空
（1）［2020·浙江卷］Lamb and mother reunited， I turned back to the tractor only ________　（see） it move suddenly away from me.
（2）We found the room too small 　　　　 　（hold） so many people.
（3）［词汇复现］The man was generous enough 　　　　 　（donate） so much money to the charity.
（4）The boy was so hard-working as 　　　　 　（admit） to a key university.
（5）［词汇复现］It was such a terrible hurricane as 　　　　 　（cause） much damage to many buildings.
完成句子
（6）He rushed all the way to the station， 　　　 　　　　　 　　　（结果没赶上火车）.
（7）［词汇复现］The girl was so curious about the consequence____________________________（所以秘密地打开了信封）.
（8）［词汇复现］It was such a destructive hurricane 　　　　　　　　　　　　 　 　（造成了很大的破坏）.
to see
to hold
to donate
to be admitted
to cause
only to find the train left
as to open the envelope secretly
to as to cause much damage
Thank you