Глаголы ,пять предложений положительных и отрицательных с can и mast

You can go for a walk
He can't do his homework himself
We can build a house
You musn't smoke
I must go to the drug store
She must go to her classes

You can go for a walk
He can't do his homework himself 
We can build a house
You musn't smoke
I must go to the drug store
She must go to her classes