She eats her dinner.

She have eaten her dinner.

She ate her dinner.

She is eating her dinner.

I slept in my bed.

I have slept in her bed.

I sleep in her bed.

I slept in her bed.

He have driven very fast.

He drives very fast.

He drove very fast.

He drove very slow.

We will buy a present for you.

We have bought a present for you.

We buy a present for you.

We bought a present for you.

The dog bit me in my arm.

The dog has bitten me in my arm.

The dog will bite me in my arm.

The dog bites me in my arm.

I run to the supermarket.

I ran to the supermarket.

I have run to the supermarket.

I will run to the supermarket.

I have flown to Spain last year.

I fly to Spain last year.

I flew to Spain last year.

I fley to Italy last year.

I swam in the sea yesterday.

I swim in the sea two days ago.

I will swim in the sea.

I swam in the sea two days ago.

I become a doctor last year.

I will become a doctor this year.

I became a doctor last year.

I became a doctor last week.