内容正文:
第1节 陈述句
知识要点:
一、陈述句的概念
陈述句是用于陈述事实和观点的句子。陈述句包括肯定句和否定句,句末用句号。
如:I’m a student.(肯定句)
I watched TV yesterday evening. (肯定句)
She isn’t a doctor. (否定句)
There aren’t four desks in our house. (否定句)
2、 肯定句变否定句的基本方法
1、句中有be动词的,直接在be动词后面加not.
She is my sister. She is not (isn’t) my sister.
2、句中有情态动词的,直接在情态动词后面加not
You can come here tomorrow . You can not (can’t) come here tomorrow.
3、 句中谓语动词是实意动词,没有be动词am is are,也没有情态动词can may must的,在实意动词前面加don’t,doesn’t或didn’t,当主语是第三人称单数时,加doesn’t.当句子是一般过去时时,加didn’t。
注:相应的实意动词变为原型。
I like music. I do not (don’t) like music.
She likes running . She does not (doesn’t) like running.
突破演练:
一、看图,用一个完整、正确的陈述句回答问题。2、What’s this?
_____________________
1、 What’s this?
___________________4、What can you see?
___________________
4、What can you see?
___________________
二、将下列句子变成否定句,每空一词。
1、 This is a desk. This _______ a desk.
2、 He can draw pictures. He________ draw pictures.
3、 He has a nice watch. He_______ _______ a nice watch.
4、 I played the piano yesterday. I_______ ________the piano yesterday.
5、 You must do your homework first. You________ do your homework first.
第2节 疑问句
知识要点:
1、 疑问句的概念及类型
疑问句是用于提出疑问的句子。疑问句句末应有问号,疑问句可分为一般疑问句、特殊疑问句、选择疑问句和反义疑问句四种。
如:Are you a student?(一般疑问句) Do you like English?(一般疑问句)
What are you doing?(特殊疑问句)
Is your friend a boy or a girl?(选择疑问句)
You like English,don’t you?(反意疑问句)
2、 一般疑问句:是指询问事实的句子,此类句子必须用“yes”,或“no”来回答。
1、句中有be动词的,把be动词提到句首。
He is a writer. Is he a writer?
2、句中有情态动词的,把情态动词提到句首。(must, may, can,…)
I can clean the window. Can you clean the window?
3、 句中谓语动词是实意动词,没有be动词am is are,也没有情态动词can may must的,在句首前面加do,does或did,当主语是第三人称单数时,加does,当句子是一般过去时时,加did。 注:相应的实意动词变为原型
He likes cows. Does he like cows?
三、特殊疑问句:以特殊疑问词(what , where , who , which , when , whose , why , 什么, 哪里, 谁, 哪一个,什么时候, 谁的, 为什么
how, what time, what colour, how often, how many, how much, how old等)开头引怎样, 几点, 什么颜色, 多久一次, 多少, 多少钱, 年龄多大
导的句子