What is a contraction for the word he?

Answer 1

The contraction he'd can mean either "he had" or "he would."

Examples:

He'd just finished the job when the rain started. (he had)

He'd pay more for a better car. (he would)

Answer 2

he's for he is

he'd for he would, or he had

Answer 3

There is no past tense contraction using was.

The contraction he's means "he is."

The contraction he'd means "he had" or "he would."

Answer 4

He wasn't there. You would make the verb carry the past tense.