Question

1. If you (to be) free,
I (to come) to see you.

2. If I (to
see) her, I (to be) glad.

3. If you (to be) busy, I (to leave) you alone. 

4. If I (to live) in Moscow, I (to visit) the Tretyakov Gallery every year.

5. If she (to know) English, she (to try) to enter the university. 

6. If mother (to buy) a cake, we (to have) a very nice tea part   

Answer 1

1. If you are free, I will come to see you.
2. If I see her, I will be glad.
3. If you are busy, I will leave you alone. 
4. If I lived in Moscow, I would visit the Tretyakov Gallery every year.
5. If she knew English, she would try to enter the university. 
6. If mother bought a cake, we would have a very nice tea party.