Can you correct these sentences?

Question

"It is no need to finish it tonight.", "Can you talk Chinese?" and "Paul didn't have a difficulty learning to play the flute." Thank you

Answer 1

It isn't necessary to finish it tonight.

Can you speak Chinese?

Paul had learned to play the flute without any difficulty.

Answer 2

No need to finish it to night. Can you talk chinese? Paul didnt have difficulty in learning flute.

Answer 3

"There is no need to finish it tonight."

"Can you speak Chinese" or "Do you speak Chinese"

"It was not difficult for Paul to learn [how] to play the flute"