1st, 2nd and 3rd Conditionals

When do we use the 1st, 2nd and 3rd conditionals? Watch the video, and think about the situations. When and why is each conditional used?

Contractions:

You can form contractions with the modal auxiliary verbs in the following ways:

Subject + will
I’ll
you’ll
he’ll
she’ll
it’ll
we’ll
they’ll

Subject + would
I’d
you’d
he’d
she’d
it’d
we’d
they’d

Subject + would + have
I would’ve
you would’ve
he would’ve
she would’ve
it would’ve
we would’ve
they would’ve