八年级上册英语语法整理（人教版）
三.一般疑问句是将be置于句首 are you going shopping this afternoon?—yes, i am/ we are. no, i’m not./ we aren’t.
四.特殊疑问句“疑问词+一般疑问句语序。”
what are you doing for vacation?
when is he going camping?
who are you going there with?
where is she going?
unit 4 how do you get to school?
grammar: how引导的特殊疑问句：是指以how, how far, how long, how old,how many, how much等词开头的疑问句。
how does he get to shool?---- he takes the train to get to shool.
how long does it take to walk? ----it takes about 35 minutes to walk.
how far is it from your home to school? it’s four miles from my home to school.
how old is he now? she is twelve years old now.
how many storybooks do you have? i have five storybooks.
how much is this coat? this coat is 200 yuan.
特殊疑问句的简略结构：how about…?+ 名词或动词-ing形式，用于提出建议、请求或征求意见、询问消息等。如：how about playing tennis?
乘坐交通工具的表达方式：by subway/train/bike..., on foot ...
i usually take the bus to school./i usually go to school by bus(on/in the bus).
my father sometimes rides his bike to work./my father sometimes goes to work by bike(on his bike).
my grandmother always walks to the supermarket./my grandmother always goes to the supermarket on foot.
unit 5 can you come to my party?
grammar:情态动词can及邀请句式及其问答
一.情态动词can的用法：
can 是最长用的情态动词，其后跟动词原形，can的否定形式为cannot，can’t.
1.can表“能力”，意思是：能，会 i can play basketball,but i can’t swim.
2.can表示能力时可和be able to 互换，be able to有更多的时态，常被用来表示can所不能表示的将来或完成的概念。e.g. they will be able to make a model spaceship in three months.
3.表示“可能性”，意思是：可以，可能。that big cinema can seat 5,000 people.
4.表示允许，意思是可以能够 you can have the book when i have finished it.
5.表示“惊讶、不相信等（用于疑问句、否定句或感叹句中”。意思是“会、可能。”
this can’t be true. can it be true?
二.如何发出、接受和谢绝别人的邀请
1.表达邀请的常用句型：
can you come to…?
could you come to…?
would you like to come to…?
do you want to come to…?
2.接受邀请的常用句型：
sure. certainly. of course. ok. i’d love to.
3.谢绝邀请的常用句型：
i’m sorry, i can’t. but i have to…
i’m afraid i can’t. i have to…
i don’t think i can. i have to…/i'm doing.....
