1. We have to stay at home. The weather is bad.
2. You must (have to) tell your mother the truth.
3. Could you speak English when you were six?
4. I must (have to) go. It's late already.
1. We have to stay at home. The weather is bad.
2. You must (have to) tell your mother the truth.
3. Could you speak English when you were six?
4. I must (have to) go. It's late already.
2. Must
3. Could
4. Have to