2019考研英语语法解析:一般现在时_毙考题通常以动词原形表示。
主语为第三人称单数时,用现单三形式。
动词be和have(表示拥有)各人称的单数形式为:
一般现在时的否定式、疑问式和简单回答形式如下:
动词be 与have(表示拥有):否定式直接把not放在动词之后,疑问式直接把动词放在主语之前,见下表:
I am not (I rsquo;m not)
I have not (haven rsquo;t)
Am i ?
Have i ?
You are not (aren rsquo;t)
You have not (haven rsquo;t)
Are you ?
Have you ?
He is not (isn rsquo;t)
He has not (hasn rsquo;t)
Is he ?
Has he ?
动词be 与have(表示拥有):否定式直接把not放在动词之后,疑问式直接把动词放在主语之前,见下表:
I am not (I rsquo;m not)
I have not (haven rsquo;t)
Am i ?
Have I ?
You are not (aren rsquo;t)
You have not (haven rsquo;t)
Are you ?
Have you ?
He is not (isn rsquo;t)
He has not (hasn rsquo;t)
Is he ?
Has he ?
注意:have 作为行为动词则只能按照行为动词的规则变化。
行为动词(以study为例)一般现在时的否定式、疑问式和简单回答(注意要加助动词do/does)
Do I not (Don rsquo;t I) study ?
Yes, I do. No, I don rsquo;t.
Do you not (Don rsquo;t you) study ? Yes, you do. No, you don rsquo;t. Does he not (Doesn rsquo;t he) study ? Yes, he does. No, he doesn rsquo;t. 。