| 1 | Tie it up, otherwise it will come loose. | |
| 2 | We need to hurry up and leave, or we'll be late. | |
| 3 | We need to hurry up and head to the airport or we'll miss our flight. | |
| 4 | He should exercise more, otherwise he may get sick easily. | |
| 5 | Don't park illegally, otherwise you will be fined. |