Помогите пожалуйста с самостоятельной работой) буду очень благодарен

(1)

If i had any ill teeth, I would see a dentist

If it were less expensive, i would buy a helicopter

If you didnt need oxygen, you could licve underwater

If Mary studied harder, she would get better marks

(2)

1 had, would have made

2 was, would taste

3 doesn't feel, wont go

4 took, would arrive