He doesn't understand because he never listens.

understand. (if) He was sick because he ate too much.

He if he hadn't eaten so much. (be) She got lost because she didn't have a map.

She wouldn't have got lost a map. (if) I regret studying politics at university.

I politics at university. (study) I wish I had listened more at school.

I more at school. (regret) I don't want to be a nurse, I want to be a doctor.

I doctor than a nurse. (sooner) We should have dinner now.

It dinner. (high) I only told you because I thought you would be interested. TOLD

I ..... you if I thought you weren't interested. I won't organise the party unless you arrange the food. LONG

I'll organise the party ..... arrange the food. I think it would be a good idea to speak to the manager first. WERE

If ..... speak to the manager first. If you do the washing up I'll make the coffee. PROVIDED

I'll make the coffee ..... the washing up. You're tired because you keep staying up late. WERE

If ..... to bed earlier, you wouldn't be so tired. You never enter competitions so you'll never win anything. MIGHT

If you entered competitions ..... something. 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. I've been so happy since I met you. MIGHT

I ..... so happy if I hadn't met you.

She isn't passing her exams because she isn't studying hard enough.

I'd like to buy a bigger flat, but I haven't got enough money.

I didn't get to the meeting on time because my car broke down.

I never travel by plane because I get ear ache.

I won't go to the party if you don't go with me.

If I had been told about the situation, I would have dismissed them.

The restaurant was full so we couldn't get a table.

You can attend the meeting as long as you are a club member.

I'm too busy to go to the pub.