1. she doesn't have enough money, so she doesn't buy the purse. if clause:..... 2. he doesn't give them money because they lie to him. if clause : 3. i lose my money because i am careless. if clause:........ 4. i can't help her because i don't know how to operate computer. if clause : 5. he can't cook so he buys food in the restaurant. if clause:... 6. we can't come because we don't have car. if clause:.... 7. they are late for the show because they wake up late. if clause: 8. i can't give you paper because there is no more left. if clause :... 9. she can't come to the party because she is very busy. if clause:........ 10. you come late, so you can't meet him. if clause:...​