3) I think it would be a good idea to speak to the manager first.
WERE
If ..... speak to the manager first.
4) If you do the washing up I'll make the coffee.
PROVIDED
I'll make the coffee ..... the washing up.
5) You're tired because you keep staying up late.
WERE
If ..... to bed earlier, you wouldn't be so tired.
6) You never enter competitions so you'll never win anything.
MIGHT
If you entered competions ..... something.
7) The reason I haven't got much money is because they didn't give me promotion.
POOR
If they had given me promotion I ..... now.
8) I've been so happy since I met you.
MIGHT
I ..... so happy if I hadn't met you.