初中英语老师重点整理：9大时态+3大从句+20个核心句型

1、九种基本时态一,一般现在时概念：表示经常发生的动作或经常存在的状态。常 和 always，often , usually , sometimes , every day 馆等表时间的状语连用。B 如：1） I go to school every day.我每天都去学校。酸俵经常）2） He is always like that 他总是那样。（表状态） 贸 构成：1）主语 + be （am / are / is）十2）主语+实义动词+.二、一般过去时弟概念：1）表示过去某个时间发生的动作或存在的状态。常 和表示过去的时间状语连用。如：yesterday , last week , in 19

2、98 r two days ago等。如:I went to a movie yesterday.我昨天去看了 路一场电影。2)也可表示过去经常或反复发生的动作。女口： He always went to work by bike last week.| 构成：1)主语 + be (was / were) +.，'2)主语+实义动词过去式+.I三、现在进行时概念：表示现在(说话瞬间)正在进行或发生的动作。如:He is singing.They are watching TV now.均成：主语十助动词be(am/are/is)+动词-ing形 二式构成.四、过去进行时概念：表示过去某

3、一时刻或某一段时间正在进行的 ,动作。这一特定的过去时间除了有上下文暗示外,- 般用时间状语来表示。软如：1) What were you doing?贫 I was jumping.2) What was the boy doing when the UFO > arrived?He was sleeping.构成主语+助动词be（was/were） +动词-ing形式构成.五、一般将来时位念：表示将来某个时间要发生的动作或存在的状 态，也表示将来经常或反复发生的动作，常与表示将来 的时间状语连用。如:tomorrow, next week, next year, in the fut

4、ure等。如:He will go shopping tomorrow.They are going to play basketball next week.构成：1）主语十助动词will +动原+2）主语 + be going to + 动原 + .六.过去将来时概念：表示在过去将来的某一时间发生的动作或存 在的状态。构成：1）主语（第一人称）+助动词should +动原+2）主语十would十动原十.3）主语 + was/ were going to + 动原用法：过去将来时除了上下文暗示外,一般常用在 间接引语中，主句谓语动词为过去时态。. 如：1) I should go.2) Yo

5、u knew I would come.3) They were going to Naning.| 七、现在完成时他成：主语十助动词(have / has ) -b动词过去分词 +.用法：表示过去发生或已经完成的动作对现在造成的影响或结果J如：-Have you had your lunch yet?Yes, I have.(现在我不饿了。)l 八、现在完成进行时概念：表示从过去某一时间开始持续到现在的动作。这一动作可能是刚刚开始，也可能仍在继续，并可 、能延续到将来。自成：主语十助动词(have / has)十been +动5词-ing +. 如：1) I have been sittin

6、g here for an hour.2) She has been collecting stamps for about 6 K years.i 九、过去完成时施成：主语十助动词had十动词过去分词十用法：表示过去在过去某一时间或动作之前已经发 生或完成了的动作。它表示的动作发生的时间是过去 的过去。表示过去某一时间可用by , before等构成 的短语,也可用whenrbefore ,等引导的从句或者通 ;过上下文表示。| 如：I had finished my homework when nny mom came back home.一、宾语从句宾语从句是指在一个句子中充当宾语的句子

7、。例如：He said that he wanted to be a teacher when he grew up.他说长大后想当一名老师。宾语从句的连接词：宾语从句的连接词包括that、if/whether （是否）、 特殊疑问词。宾语从句的语序:A.宾语从句的连接词后加陈述语序（主语在前，谓 第语在后）。福例如:I want to know if he can come tomorrow.:我想知道他明天是否能来。B.当连接词本身又是宾语从句的主语时，后面直接 加谓语动词。例如:She asked me who had helped him. 她问我谁帮助了他。：宾诒从句的时态.兵蓼记住

8、以下口诀即可：“主现则从任，主迤则从过.客现真理me”A.主现则从任：主句如果是一股现在时，则从句根 据时间状语需要从八种时态中任选一种。例如：l.He tells me he studied English in :England last year.他告诉我他去年在英国学习英语。B.主过则从过：主句如果是一股过去时，则从句根 据时间状语需要从四种带过”字的时态中任选一种， 带”过”字的时态分别是如：一般过去时，过去进行 时，过去将来时，过去完成时Q例如:He told me that he liked playing football 他告诉我他喜欢踢足球。C.客观真理一般现：客观真理永远

9、用一般现在时。例如：He said the moon goes around the earth他说 '月亮绕着地球转。二、状语从句1 .时间状语从句：在一个句子中作时间状语的句 子。时间状语从句的连接词：when （当时候）， while （当时候）as （当时候）,after （在. 以后），before （在以前）as soon as （ 就）,since （自从到现在）,till/until （直 到才），by the time （到的时候）例如：Mozart started writing music when he was four years old.莫扎特四岁时开始创作

10、音乐力2 .条件状语从句：在一个句子中作条件状语的句 子。条件状语从句的连接词：if , unless （除非），as long as （只要）例如:If it doesnf t rain tomorrow , we will go hiking.如果明天不下雨，我们将去远足。注意：在时间和条件状语从句中，一定要符合“主将从现"原贝!1。如上面例句，条件状语Ifitdoesn' train tomorrow用一般现在时 r 主句we will go hiking y用一般将来时。3 .原因状语从句：在一个句子中作原因状语的句 I子。1原因状语从句的连接词：because ,

11、since , as,now that例如:I didnz t go to school yesterday because I was ill.因为我生病了,所以昨天没去上学。三、定语从句定语是指在句子中用来修饰名词、代词的成分。例如:I will give my teacher a bunch ofbeautiful flower. （ beautiful是定i吾）我给我的老师一束漂亮的花。定语从句是指在一个句子中作定语的句子定语从-句要放在所修饰的词后0I 例如:I have met a doctor who is in the No.l hospital.福我认识了一位第一医院的医生。

12、.定语从句的关系词：S关系代词：wh。、which、whom、whose、that 关系副词:when, where, whyIMM整雅勒孤温阳工卬翻因逢黎的IMi翻国词酗彘1. allow sb to do sth允许某人去做某事（后接动词不 定式）My father allowed me to go out for a walk after finishing my homework.2. asked sb （not） to do sth叫某人做事某事（叫 某人不要去做某事）My father asked me to study hard.He asked me not to swim a

13、lone.be asked to do sth被叫去做某事/被邀请去做某 事I was asked to have a dinner with them yesterday.3. be afraid to do sth 害怕做某事She is afraid to ask me questions.4. be afraid of doing sth 害怕做某事I am afraid of going out at night.5. be afraid of sth 害怕某物He is afraid of snakes.6. be amazed to do sth对做某事感到惊讶 He was a

14、mazed to meet the girl there, be amazed at sth对某事感到惊讶 They were amazed at the news.7. be busy doing/with sth 忙于做某事（常考）I was busy washing my car at that time,那时候 我正忙于清洗我的车子。I am busy with my work.8.becoming/going/leaving/fiying/nnoving/dying（某些位移动 词用进行时态时表将来）The bus is coming/the dog is dying.9. be e

15、xcited to do sth 对做 感到兴奋 Jacky was excited to travel there by plane. Be excited at sthLily was excited at his words.Be excited about doing sthHe was excited about passing the exam without going over books.10. be frightened to do sth 害怕去做某事 Sam is frightened to ride a horse.15. be worth doing sth 值得做

16、某事（worth 后接 动词ing形式，常考）It was too remote to be worth thinking about.16. 开始去做某事begin to do sth begin/start to do/doing sthWhen do children begin to go to school?17. can/be able to afford （to buy） sth 有能力负 担（购买）At this rate we won't be able to afford a holiday.18. can/may/must do sth could/would/should/might do sth We may come