need not in English:

You needn't suffer in silence.

We needn't have hurried.

You needn't do it at once.

I needn't have worn such a heavy coat today.

You needn't go too early, need you?

If John had of come, I needn't have.

We needn't hurry. We've got a lot of time.

He needn't go in such a hurry.

I needn't have painted the fence.

You needn't finish it by tomorrow.

You needn't come.

The weather is clearing up. I needn't have brought an umbrella.

I needn't have watered the flowers. Just after I finished, it started raining.

You needn't worry too much.

You needn't be ashamed because you failed the exam.