Unit 2 Great minds第 3 课时 单元语法讲解栏目导航巩 固 习 题动词不定式 动词不定式(Infinitives)即小品词 to 后面跟动词原形,写作“to do(sth
本单元重点讲解不定式作后置定语、不定式作主语、不定式作表语
(1)名词后跟动词不定式(Infinitives after nouns) 名词后跟动词不定式,也就是说动词不定式充当后置定语
例如: I have some questions to ask you
我有一些问题要问你
(ask you some questions,此时不定式与 questions 构成动宾关系
) Tim is always the first to arrive at school
蒂姆总是第一个到校
(the first arrives at school,此时不定式与 arrives 构成主谓关系
) I have a dream to help the children in the poor villages
我有一个帮助贫困农村孩子的梦想
(此时不定式 to help the children in the poor villages 修饰 a dream) 注意:很多情况下,不定式后的介词不可省略
例如: This is a good pen to write with
这支钢笔很好写
(write with a pen) Amy is a nice person to work with
艾米很好共事
(work with a person) (2)动词不定式作主语(Infinitives as subjects) 动词不定式可充当主语
例如: To see is to believe
To learn a foreign language well i