he'd

weak [iːd] , strong [hiːd]

short form

1) the usual way of saying or writing ‘he had' when ‘had' is an AUXILIARY VERB. This is not often used in formal writing

He knew he'd seen her before.[/ex]

2) the usual way of saying or writing ‘he would'. This is not often used in formal writing

He'd come if you asked him.[/ex]