Past perfect tense

He has did homework by 7 o'clock.

He had done h/w by 7 o'clock.

He did h/w by 7 o'clock

She had done h/w on 7 o'clock

When we came in she already watches tv

When we came in she has already watched tv

When we came in she already watched tv

When we came in she had already watched tv.

Had you have dinner before you came to school?

Have you had dinner before you came to school?

Had you had dinner before you came to school?

I hadn't cleaned by 5 o'clock yesterday.

I didn't cleaned by 5 o'clock yesterday

I haven't cleaned by 5 o'clock yesterday

I watered flowers by 3 o'clock

I had watered flowers by 3 o'clock.

I water flowers by 3 o'clock

Had she drink juice before we came in?

Did she drink juice before we came in?

Had she drunk juice before we came in?

see

seed

seen

She doesn't take medicine by 8 o'clock

She hasn't taken medicine by 8 o'clock

She didn't drink medicine by 8 o'clock

She hadn't taken medicine by 8 o'clock.

She hadn't checked the temperature by 5 o'clock

She didn't checked the temperature by 5 o'clock

She hadn't check the temperature by 5 o'clock

Have

Had

Has

Did

Has

Have

Had

Does

hasn`t walk

had walked

hadn`t walked

has walk