Would:
If you asked, they would help you.
If you loved her, she would love you.
I would buy a new car if I had more money.
Supposing I became the Miss World, what would you say?
Would you open the window, please?
I just saw a small boy here, who would he be?
Would you like tea or coffee?
It was a nice summer, Jack and I would sit all evening long playing chess.
I would go to Australia and other distant countries.
I knew she would be asked at once.
He was poor and would do any work.
Would you tell me the time, please?
He would always say hello.
Would you mind my smoking here?
They would go to London next week if their visas were ready.
Would you mind helping me?
Не wouldn't go to the doctor.
I tried to close the case but it wouldn't.
I would like to see you.
Would you like to try on this hat?
Need:
He needed some more time to decide the question.
Do you need to go now?
I don't need to talk with him.
Need I come again?
You need not work today.
Need I go now?
Your hair needs washing.
The carpet needs cleaning.
The roof needs repairing.
I didn't need to buy the book.