陕西省榆林育才中学高中英语 Unit1 Living well Grammar 导学案 新人教版选修 7学习目标：让学生学习动词不定式的用法；预习案语法感知： 动词不定式的用法；读下列句子，判断动词不定式在句子中句子成分；1.It is right to give up smoking.( )2.He wanted to go .( )3.I find it very interesting to study English.( )4.He asked me to do the work with him.( )5.The farmers thought of ways to protect their crops.( )6.We turned the lights off not to waste electricity.( )7.He hurried to the school, only to find nobody there.( )8.My job is to help the patients.( )9.To tell the truth, I don`t agree with you.( ) 探究案Ⅰ.动词不定式的形式；一般式：to do/ to be done(表示的动作通常与谓语动词所表示的动作同时发生或是在它之后发生）I plan to attend the meeting to be held tomorrow.进行式：to be doing（不定式的动作与谓语动词所表示的动作同时发生）I am very glad to be working with you.完成式：to have done/to have been done（不定式的动作在谓语动作所表示的动作之前发生）I`m very sorry to have kept you waiting.Ⅱ.动词不定式的结构；1.带 to 的 动 词 不 定 式 ； 有 些 动 词 能 直 接 跟 带 to 的 动 词 不 定 式 ； 如 ： ask,tell, hop,decide,want,forget.,stop 等。2.不带 to 的动词不定式；1）在 feel,hear,listen to,let,make,have, see,,look at,watch, notice.observe 等使役动词和感官动词后，动词不定式作宾补时不带 to。I often hear him sing the song.2）在 would rather(would sooner,had rather, had sooner)----than,rather than 等结构中 than 之后用不带 to 的不定式I would rather go than stay.3）在 why do sth? Why not do sth 结构中不带 to Why not do it right now?4）在 cannot but,cannot choose but,cannot help but 之后的动词不定式不带 to.I cannot but admire his courage.我只有佩服他的勇气。5）动词不定式在介词 but,except,besides 后面是，如果这些介词之前有行为动词 do 的各种形式，那么这些介词后的动词不定式不带 to,否则要带 ...
