При каких случаях ставятся I'd, You'd?

‘d = “had” or “would”

The contraction I’d can mean “I would” or “I had”.

Here are some similar examples:

You’d = you would or you had
He’d = he would or he had
She’d = she would or she had
It’d = it would or it had
We’d = we would or we had
They’d = they would or they had

We can often tell if I’d means “I would” or “I had” simply by looking at the context of the sentence. However, if we’re not sure, we must look at the grammatical form which follows the contraction ‘d.

Take a look at this table for an explanation with examples:
'd = "had" or "would"
The contraction 'd can mean would or had.

To tell the difference we need to look at what follows 'd:
Would is followed by the bare infinitive (infinitive without to).
would be, would go, etc. I'd like some tea. ('d = would)
He'd go if he had some money. ('d = would)
It'd be a good idea. ('d = would)
Would can also be followed by the perfect infinitive (have + past participle).
would have been, would have gone, etc. I'd have gone if I had had time. ('d = would)
He'd have been 70 today. ('d = would)
Had is followed by a past participle
had gone, had had, had been, had spoken, etc.. He'd gone home. ('d = had)
He'd been married a year. ('d = had)
She'd just spoken to her. ('d = had)
I wish I'd waited longer. ('d = had)

had, would