present

I curve

You curve

He curves

She curves

It curves

We curve

They curve

past

I curved

You curved

He curved

She curved

It curved

We curved

They curved

future

I will curve

You will curve

He will curve

She will curve

It will curve

We will curve

They will curve

conditional

I would curve

You would curve

He would curve

She would curve

It would curve

We would curve

They would curve