八年级英语重点语法分析上学期[人教版]

1、八年级英语重点语法分析一. 一般现在时 : (1)表示现在的状态, 例如 :He s twelve. (2)表示经常性的或习惯性的动作,例如 :I go to school every day. (3)表示主语具备的性格和能力,例如：She likes apple.常与 often, usually, sometimes, always, every day 等表示经常性的或习惯性的时间状语连用 .1. 肯定句结构:1 1) 行为动词 :a.第一、二人称，复数人称：They/We/You+动词原形 例如:They go to school every day.b.第三人称单数：He/She/I

2、t+动词-s/es 例如：Lily often likes singing.(2)系动词(be): I am. They/We/You areHe/She/It is2 .否定句结构:(1) 行为动词:a.第一、二人称，复数人称：They/We/You+don't+动词原形例如:Theydon t go to school every day.b.第三人称单数：He/She/It+doesrit +动词原形例如：Lilydoesn'tlike singing.(2)系动词(be):在 is/am/are后加 not 例如:I am not a worker.3. 一般疑问句结构

3、:a.第一、二人称，复数人称：Do+they/we/you+动词原形例如 :Do they go to school every day?( Yes, they do. No, they don t.)b.第三人称单数：Does +he/she/iIt+动词原形例如 : Does Lily often like singing? (Yes, she does. No, she doesn t.)(2)系动词(be):把is/am/are提在主语前.例如 :Are you a worker? (Yes, I am. No, I m not.)二.现在进行时：表示现在正在进行的动作或发生的事情.常

4、与now, 100k,listen等表示现在状态的时间状语连用.1 .肯定句结构：主语+is/am/are+!tl词-ing例如 : The boys are playing football now.2 .否定句结构：在is/am/are后加not例如 : The boys aren t playing football now.3 . 一般疑问句结构：把is/am/are提在主语前.例如 : Are the boys playing football now? (Yes, they are. No, they aren t.)三.一般过去时：表示过去某个时间发生的动作或存在的状态.常与ye

5、sterday.last，ago, in1990等表示过去状态的时间状语连用.1. 肯定句结构 :(1)行为动词：主语+动词的过去式例如 : The twins went to school two hours ago.(2)系动词(be): I/ He/She/It+wasThey/We/You+were 例如 : I was at home last night.2. 否定句结构:(1)行为动词：主语+didn't+动词原形例如 : The twins didn t go to school two hours ago.(2)系动词(be):在 was/were后加 not例如 :

6、 I wasn t at home last night.3. 一般疑问句结构 :(1)行为动词：Did+主语+动词原形？例如 : Did the twins go to school two hours ago?(Yes, they did. No, they didn t.)(2)系动词(be):把was/were提在主语前.例如 : Were you at home last night? (Yes, I was. No, I was t.) 四 .一般将来时: 表示将来某时将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tomorrow，next等表示将来状态的时间状

7、语 连用 .1. 肯定句结构 :(1)用于书面语：主语+will+动词例如 : We will come to see you tomorrow(2)用于口语：主语+am/is/are going to+动词例如 : Tom is going to see his uncle next Sunday.2. 否定句结构:(1)用于书面语: 在 will 后加 not例如 : We won t come to see you tomorrow. (will not=won t)(2)用于口语：在is/am/are后加not.例如 : Tom isn going to see his uncle n

8、ext Sunday.3. 一般疑问句结构 :(1)用于书面语: 把 will 提在主语前 .例如 : Will you come to see you tomorrow? (Yes, we will. No, we won t.)(2)用于口语：把is/am/are提在主语前.例如 : Is Tom going to see his uncle next Sunday?(Yes, he is. No, he isn t.)五.情态动疝：can熊，会)，may (可以，可能，也许)，must(必须，一定，应该)have to (必须，不得不)1 .肯定句结构：主语+can/may/must网词

9、一 例如：I must go now.2 .否定句结构：在 can/may/must后力口 not. 例如：I mustn't go now.3 . 一股疑问句结构：把can/may/must提在主语前.Must you go now? (Yes, I must. No, I needn't.)May I open the window? (Yes, you may. No, you needn't.) 六.had better+动词原形，表示“最好干”，变否定句时在 had better后加not.例如:You had better catch a bus.You'd better not catch a bus. (You had= You'd ) 七.动词不定式： want /forget /remember /would like /go + to + 动词原形 例如：I want to get back my book.Lucy went to see his mother last