Question

Paraphrase the following sentences, so that the meaning stays the same:

1. We must hurry up or else we won't get the tickets.
Unless...........................................................................

2. We may sign the agreement with them, but the company must lower its proces first.
Procided.......................................................................

3. My brother does't devote much time to learn and his grades are poor
.................................... on condition that ....................................................

4. The weather may improve tomorrow, so we can go to the beach.
Suppose.......................................................................