8. If mother (to buy) a cake, we (to have) a very nice tea-party.

Тип I (Real Conditional):

If mother buys a cake, we will have a very nice tea-party.

Тип II (Hypothetical Conditional):

If mother bought a cake, we would have a very nice tea-party.

Тип III (Past Unreal Conditional):

If mother had bought a cake, we would have had a very nice tea-party.