高考英语重点语法
1 概念
1.表示不受时限的客观存在
eg: I am a teacher. You are a student. She is a doctor.
2.表示现在习惯动作
eg: Peter often goes to his office by subway.
Mary usually learns languages quickly.
频度副词：usually, always , ever , frequently , hardly ever, never, occasionally, often, rarely, seldom, sometimes, etc.
2 肯定句&否定句：
（1）主语+be（am/is/are）+ 其他（表语）
tips：第一人称用am，第二人称和第三人称复数用are,第三人称单数用is
否定表达：主语+be not (am not/is not=isn’t/are not=aren’t) +其他（表语）
例句见上
（2）主语+实义动词+其他（宾语）
tips: 第一，二人称以及第三人称复数用V原形，第三人称复数用v-s
eg:I often go to school by bus. -- I don’t often go to school by bus.
Parents always praise their kids. -- Parents don’t always praise their kids.
He wears the school uniform. --He doesn’t wear the school uniform.
否定表达：主语（第一，二人称以及第三人称复数）+ don’t+ v-原形+其他（宾语）
主语第三人称复数+ doesn’t + v-原形+其他（宾语）
3 被动语态
主语(动作的接受者）+ am/is/are + done + （by + 动作的实施者）
tips：第一人称用am，第二人称和第三人称复数用are,第三人称单数用is
eg; I am asked to study hard.
The kids are always praised by their parents.
The classroom is cleaned by us.
（二）一般过去时
1.概念
（1）表示过去时间
特定过去时间内一次完成的动作或一度存在的状态
eg: This town was a tourist attraction before.
We visited a factory last Friday.
（2）表示过去习惯动作
eg: He worked in a bank all his life.
（3）表示过去的时间词：last …./….ago/before...具体时间：in 1990，yesterday
2 肯定句&否定句：
（1）主语+be（was/were）+ 其他（表语）
tips：第一人称和第三人称单数用was，第二人称和第三人称复数用were
否定表达：主语+be not (was not=wasn’t/were not=weren’t) +其他（表语）
eg：This town wa sn’t a tourist attraction before.
You weren’t a junior high school student two years ago.
（2）主语(所有人称）+实义动词的过去式did+其他（宾语）
否定表达：主语（所有人称）+ didn’t + v-原形+其他（宾语）
eg: We didn’t visit a factory last Friday.
He didn’t work in a bank all his life.
3 被动语态
主语(动作的接受者）+ was/were + done + （by + 动作的实施者）
tips：第一人称和第三人称单数用was，第二人称和第三人称复数用were
eg：I was shocked by the news.
The kite was made by Peter.
Many houses were washed away in the flood.
（三）现在完成时
1 概念
（1）.过去发生的事情（已完成）对现在有影响
eg: He has turned off the light.
2.过去发生的事情（未完成）持续到现在，可能持续下去，也有可能刚刚结束eg: He has lived here since 2000.(可能继续住着，也可能刚刚搬走）
2 肯定句和否定句
肯定表达：主语+have/has done+ 宾语+其他
否定表达：主语+have not(haven’t)/has not (hasn’t) done+宾语+其他
tips: 第一人称,第二人称和第三人称复数用have/haven’t,第三人称单数用has/hasn’t eg：He has studies in England for two years.
3 常用时间标志词
a. for+一段时间
b. since+时间点或从句
3.连接ever , already, yet, so far , in the past/ last …. etc.
eg: I have ever gone to Tibet.
He has already finished the homework.
I haven’t finished my paper yet.
He has returned five gold medals so far.
4.It is the first time that-从句
It is the first time that I have watched the movie.
4 被动语态
主语(动作的接受者）+ have/has been + done + （by + 动作的实施者）
eg: Amateurs have made important discoveries in astronomy.
Important discoveries in astronomy have been made by amateurs.。