1.He (get tired) if he (not rest).
2.We (not like) the same if we (live) on Mars.
3.We (not like) the same if we (live) on Mars.
4.You (miss) the bus, if you (not get up) now.
5.There (be) a catastrophe, if we (not protect) the environment.
6.If we (survive), our brains (get) bigger.
Answers & Comments
1.He will get tired if he doesn't rest.
2.We wouldn't be the same if we lived on Mars.
4.You will miss the bus, if you don't get up now.
5.There will be a catastrophe if we don't protect the environment.
6.If we survive, our brains will get bigger