谁知道英语初三1-9单元最重点的语法

谁知道英语初三1-9单元最重点的语法
谁知道英语初三1-9单元最重点的语法

谁知道英语初三1-9单元最重点的语法
1.by+V-ing How do you learn English?I learn by studying with a group.
2.V-ing短语作主语 P4（谓语用三单）
Watching English movies isn’t a bad way.
3.It’s + 名词/形容词+(for sb)+to do..sth是“对某人来说做某事怎么样”之意.
It是代词作形式主语
It wasn’t easy for me to understand the teacher when she talked to the class.
4.used to do“过去常常做…..”
1)I used to be really *uiet.
2)Did you use to have straight hair?Yes,I did.’ No,I didn’t.
3)I didn’t use to like tests.Now I don’t worry about tests.
5.I don’t know wh-/how +to do
1)I don’t know how to use commas.=I don’t know how I can use commas.
2)I don’t know what to do or what to say at the party.
6.too…to 太……而不能
1)Ted is only five.He is too young to go to school.
2)I’m too tired to do well in the exam.=I’m so tired that I can’t do well in the exam.
7.so…that…是“如此……以致……”的意思.
1)To begin with,the teacher spoke so *uickly that I couldn’t understand every word.
2)He is so young that he can’t join the army.
8.be allowed to do..
1) 表示规则
a)I’m allowed to study at a friend’s house.
b)I’m not allowed to go out on school nights.
(表示规则还可以用：have to,should/shouldn’t,can/can’t例如：P20
a)I can go shopping with friends on Saturday afternoons
b)I have to be home by 10:00 pm.
2) 表达意见
a)I think students should be allowed to do homework with friends.I disagree.
They talk instead of doing homework.
b)Sixteen-year-olds should not be allowed to drive.I agree.They aren’t serious enough at that age.
9.find it +形容词+(for sb)+to do sth
I found it easy to learn English.
10.If 虚拟 If+从句（一般过去时/were）,主句（过去将来时）would
1)What would you do if you had a million dollars?
2)I’d give it to charity if I had a million dollars.
3)If I were you,I would wear a shirt and tie.
（注意：在这种情况下if假设的是与事实相反或不可能的事情.）
4)If I were you,I would…的句型还可以用来给别人提供建议.相当于：
You should/could/can/..例如 You should wear a shirt and tie.
11.would rather… than…宁愿…….而不愿……
1)You would rather stay at home and read a book than go to a party.P30
2)You like talking to one or two people rather than to a group.
12.must/ might/could/can’t表示猜测
1)Whose notebook is this?It _____ be Ning’s.It has name on it.
2)Whose French book is this?It ____be Ali’s She studies French.