7. If my friend (to come) to see me, I (to be) very glad.

Тип I (Real Conditional):

If my friend comes to see me, I will be very glad.

Тип II (Hypothetical Conditional):

If my friend came to see me, I would be very glad.

Тип III (Past Unreal Conditional):

If my friend had come to see me, I would have been very glad.