一般现在时知识点归纳
用法：一、表示一般性或经常发生的动作或状态
二、表示习惯性动作和状态或普遍的现象或常识
三、表示客观事实、客观规律和客观真理。在宾语从句中，即使主句的谓语动词用了过去时，只要从句表示的是客观真理，从句的谓语动词也要用一般现在时。
四、祈使句
一般现在时由动词原形表示，（除第三人称后动词要加s），系动词be和have有特殊的形式。
第三人称单数
在一般现在时中，如果主语是第三人称单数，谓语要有相应的变化。
一、一般情况加s，例如：looks, listens, visits
二、以ch, sh, s, x或o结尾的词，加-es，例如：teaches, washes, guesses, goes, does
三、辅音字母+y结尾，变y为i加-es，例如：carry-carries, study-studies
一般现在时疑问句形式
系动词to be 动词to have 实义动词
Am I a student? Have I a hand? Do I (you) work?
Are you a student? Have you a hand? Does he(she, it) work?
Is he (she) a student? Has he (she, it) a hand? Do we (they, you) work?
Are we (they) students? Have we (they) hands?
一般现在时否定句形式
系动词to be 动词to have 实义动词
I am not a student.
You are not a student.
He/she is not a student.
We/They/You are not students. I haven’t a hand.
You have not a hand.
He/She/It has not a hand.
We/They/You haven’t hands. I don’t work.
He/She/It doesn’t work.
We/They/You don’t work.
一般现在时态用法
用法 举例 常用时间状语
经常性或习惯性动作 We go to school at 8 every day. Every
Often
Always
Usually
Sometimes
Now and then
In the morning
现在的特征或状态 The boy is always ready to help others.
普遍真理 The earth goes round the sun.
在when, until, before, if等从属连词引导的状语从句里，主句用将来时态，从句用一般现在时 I shall come to help you if am free tomorrow.
只用于一般现在时的表示状态和感觉的动词 Be, love, like, want, hope, suppose, need, prefer wish, know, find, feel, understand, believe, guess, hear thanks for sharing!!!!!!!!!
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