vcherna 1. If we leave now, we will be at the airport on the time.
2. If I don’t have a big suitcase, I won’t pack everything.
3. I think a plane ticket will be cheaper if you buy it now.
4. I won't take my phone changer if he takes his.
5. If he doesn't turn off the music, the neighbors will be angry.
6. They don't go on holiday if they don't have passports.

ex 2:
1. Lucy will be angry with me if she finds out.
2. If I find your mobile, I will bring it tomorrow.
3. It will be boring if you don’t come.
4. If I don’t finish my homework. I will be in trouble.