She wasn't very rich. She gave money to the poor. (although)

He left early. He wanted to arrive on time. (so that)

You can go out tonight. You must tell us where you are going. (provided)

Tom doesn't earn a big salary. But if he did, he wouldn't buy car. (even if)

Take a sandwich. There might be no restaurant there. (in case)

There was a lot of noise. Charlie managed to sleep. (despite)

Sue likes Opera. Joe prefers jazz. (whereas)

The weather was bad. They enjoyed the trip. (even though)

He had the 'flu. He went to work. (in spite of)

You have to put the alarm on. If not, it won't work. (unless)