Must

AFFIRMATIVE

I must go to school.

You must drive a train.

She must clean the house.

He must fly a plane.

It must find a mouse.

We must read and write.

You must watch the stars.

They must march and fight.

QUESTIONS

Must I go to school?

Must you drive a train?

Must she clean the house?

Must he fly a plane?

Must it find a mouse?

Must we read and write?

Musi you watch the stars?

Must they march and fight?

NEEDN’T

DON’T / DOESN’T HAVE TO

I needn’t go to school.

I don’t have to go to school.

You needn't drive a train.

You don't have to drive a train.

She needn’t clean the house.

She doesn't have to clean the house.

He needn’t fly a plane.

He doesn’t have to fly a plane.

it needn’t find a mouse.

It doesn’t have to find a mouse.

We needn't read and write.

We don't have to read and write.

You needn’t watch the stars.

You don’t have to watch the stars.

They needn’t march and fight.

They don’t have to march and fight.