Test HAVE TO

Já musím pomáhat mamince.

I have to help (my) mum.

Můj bratr nemusí pomáhat, protože je malý.

My brother doesn´t have to help because he is small.

A co musíš dělat?

And what do you have to do?

Musím mýt nádobí.

I have to wash up / wash the dishes.