1、祈使句和感叹句,什么是祈使句： 祈使句是用以表示请求命令、劝告、建议等。其结构与陈述句一样，但主语常常省略。他一般没有时态的变化，也不能与情态动词连用。,Ex： Come in，please.请进,Be quiet. 安静,Lets go. 走吧,在祈使句中也有肯定和否定之分，肯定句中也可用助动词do加强语气，但只用于第一人称和第二人称。Ex：,Come next time.,come next time.,Dont,come next time.,Do,Ps：含let的祈使句一般由let及人称代词加not构成。ex：,Let us talk of that matter.,Let us no
2、t talk of that matter.,Lets say something about it.,Lets not say anything about it.,祈使句的转述结构，转述肯定祈使句时将祈使句变为带to的不定式结构，转述否定祈使句时则将其变为否定的带to的不定式结构。Ex ：,I said to him, “Please pass me a book ”,I asked him,pass me a book.,to,His father said to him ,“come back at four oclock.”,His father told him,to,come b
3、ack at four oclock.,感叹句是表示喜、怒、哀、乐等感情的句子。感叹句一般用 how 或 what 开头。 一、what 引导的感叹句结构有三种： 1、What + (a/an) + 形容词 + 可数名词单数 + 其它！2What + 形容词 + 可数名词复数 + 其他！3 What + 形容词 + 不可数名词 + 其他！,What a clever girl she is!,What delicious food it is!,What good children they are!,二、how 引导的感叹句结构有： 1、How + 形容词 + 主语 + 谓语！2、How +
4、 副词 + 主语 + 谓语！,How beautiful the flowers are!,How cold it is today!,How well she sings!,How heavily it is raining!,how 和 what 都用来引导感叹句，它们有什么区别呢? how 在这里是一个副词，用来修饰形容词和副词；而 what 是用来修饰名词的, 所以即使是同样的句子, how 和 what 引导的句子结构是不一样的。,What a hot day it is !,How hot the day is !,What tall buildings they are !,Ho
5、w tall the buildings are!,按要求改写下列句子。 1.Lucy is a very clever girl. (用 what )2. Lily is a very beautiful girl. (用 how) 3.The students are playing basketball happily. (用 how) 4.The books are very new. (用 what),What a clever girl Lucy is!,How beautiful a girl Lily is!,How happily the students are playi
6、ng basketball!,What new books they are!,5 The story is very interesting. (用 what)6 The book is very interesting. (用 how)7 Toms lecture is wonderful. (用 how)8 The news is very important. (用 what),What an interesting story it is!,How interesting the book is!,How wonderful Toms lecture is!,What an important news it is!,Thank you very much!,
