变一般疑问句和否定句

1.They won't go for picnic.

Will they go for picnic?

2.his mother never washes his clothes.

Does his mother always wash his clothes ?

3.he couldn't play the piano two years ago .

Could he play the piano two years ago

4.I didn't play soccer for two hours yesterday.

Did you play soccer for two hours yesterday ?

5.The students don't take exercise every day.

Do the students take exercise every day?

1 they will go for picnic
they wiil not go for picnic.
will they go for picnic?
2 his mother always washes his clothes
his mother does not always wash his clothes.
does his mother always wash his clpthes?
3 he could play the piano two years ago
he could not play the piano two years ago.
could he play the piano two years ago?
4 i played soccer for two hours yesterday
i did not play soccer for two hours yset