Question

structure of present simple not positive extraction

Answer 1

why


The Present Perfect Tense -- Negative

S + have or has + not + past participle

Singular

Plural

I have not worked

We have not worked

You have not worked

You have not worked

He has not worked

She has not worked

They have not worked

It has not worked

Notice the use of "has" for a man, a woman, or a thing.

Also, it's important to know the irregular past participles.

 

Most Americans use the contracted form:

have + not = haven't   /   has + not = hasn't

Singular

Plural

I haven't worked

We haven't worked

You haven't worked

You haven't worked

He hasn't worked

She hasn't worked

They haven't worked

It hasn't worked