Wasn't rhymes with doesn't.
The contraction "I've" rhymes with hive.
The contraction "you'll" rhymes with "cool."
The contraction is they've (rhymes with behave).
Wasn't rhymes with doesn't.
you'll rhymes with cool
They'll
You'll.
let's
you'd
The contraction is she'd (rhymes with need). This contraction can also mean "she had."
Doesn't is a contraction of do not