Contractions (1)

Here's a list of some common contractions in English, both in their written and oral form :)

Pronoun + auxiliary verb 

I'm             /aɪm/                                                  
I've            /aɪv/
I´ll             /aɪl/
I'd             /aɪd/
you're       /jᴐ:/
you've       /ju:v/
you'll         /ju:l/
you'd        /ju:d/
he's          /hi:z/
he'll          /hi:l/
he'd         /hi:d/
she's        /∫i:z/
she'll        /∫i:l/
she'd        /∫i:d/
it's           /ɪts/
it'll           /ɪtl/
it'd          /it əd/
we're       /wɪə/
we've      /wi:v/
we'll        /wi:l/
we'd       /wi:d/
they're    /ðeə/
they've   /ðeɪv/
they'll     /ðeɪl/
they'd     /ðeɪd/

Two auxiliary verbs

could have     /kʊd əv/
should have   /∫ʊd əv/
will have        /wɪl  əv/
would have    /wʊd əv/
might have     /maɪt əv/
must have      /mʌstəv/

Note: the phonetic script has been given in the full (or "strong") form. You should bear lin mind that variations regarding strong-weak form do occur.