would have many uses
1. used as a past of will
eg he was sure that he would clear the exam.
2. would = could = used to make polite request
eg. would you please help me solve these sums ?
3. would = used to
eg. he would play football with his friends last year.
We use will:
to talk about the future – to say what we believe will happento talk about what people want to do or are willing to doto make promises and offers
would is the past tense form of will. Because it is a past tense it is used:
to talk about the past.to talk about hypotheses – things that are imagined rather than true.for politeness.
Beliefs
We use will
to say what we believe will happen in the future:
We'll be late.
We will have to take the train.
We use would as the past tense of will:
to say what we believed would happen:
I thought I would be late …… so I would have to take the train.
Offers and promises
We use I will or We will to make offers and promises:
I’ll give you a lift home after the party.
We will come and see you next week.
Willingness
to talk about what people want to do or are willing to do:
We’ll see you tomorrow.
Perhaps dad will lend me the car.
We use would as the past tense of will:
to talk about what people wanted to do or were willing to
would is used for first of all - imaginary sentence like . if i would be millionaire so i'd buy a Mercedes.
2. polite request like - i would like to let u know about grammar.
3 past habit. like - He would go to school at the age of 7. There are some others uses as well but most of all this is used for above points