内容正文:
Space exploration
Unit 4
Discovering Useful Structures
—Infinitives(1) as the attribute and the adverbial
Period 4
语法感悟
感知以下句子,完成方框下的小题
1....people have always wanted to learn more about space,and scientists work hard to find answers.
2.They make vehicles to carry brave people into space to find out the secrets of the universe.
3.However,some scientists were determined to help humans realise their dream to explore space.
4.For example,America’s NASA space agency launched Voyager 1 on 5 September 1977 to study deep space...
5.These disasters made everyone sad and disappointed,but the desire to explore the universe never died.
6.China became the third country in the world to independently send humans into space in 2003...
7.This signalled one step further in China’s plan to establish a space station in the future.
8.More recently,China has sent Chang’e 4 to explore the surface of the far side of the moon to make measurements and observations.
以上句子中,加黑部分都是动词不定式,其结构为 ;作状语的是句 ;作定语的是句 。
to do
1、2、4、8
3、5、6、7
语法精讲
语法总览
一、动词不定式作定语
1.动词不定式作定语常放在名词或不定代词后面作后置定语,表示尚未发生的动作。
We have much homework to do tonight.
今晚我们有许多作业要做。
2.名词前有first,last,next,the only等词或最高级修饰时,其后要用动词不定式作定语。
She was the first woman to win the gold medal in the Olympic Games.
她是第一位在奥运会上获得金牌的女性。
3.抽象名词attempt,ability,chance,desire,determination,decision,plan,way或不定代词something,nothing等后面常用不定式作后置定语。
Janis Adkins has the ability and desire to do useful work.
詹尼斯·阿德金斯有能力和愿望去做有用的工作。
4.当名词与定语之间存在主谓关系时。
We must find a person to do the job.
我们必须找一个人来做这项工作。
注意:
1.动词不定式作定语时,要放在它所修饰的名词或代词后面。
Attention,please.The astronaut has something important to say.
请注意,这名宇航员有重要的事情要说。
2.如果不定式是不及物动词,其后要跟相应的介词。
Give me a piece of paper to write on.
给我一张纸写字。
二、动词不定式作状语
1.表示目的
She went to the hospital to/in order to/so as to see her grandfather yesterday.
昨天她去医院看望了她爷爷。
To/In order to keep up with others,the intelligent young man has been working very hard.
为了赶上别人,这个聪明的年轻人一直非常努力地工作。
总结:在