Поставьте глаголы, данные в скобках, в соответствующем времени и переведите предложения на русский язык. The two countries

The two countries signed the treaty after the war had finished. 

Обе страны подписали договор после окончания войны.

The treaty was signed after the war had finished by two countries. (Passive Voice).

Negative.

The two countries didn’t sign the treaty after the war hadn’t finished. 

The treaty wasn’t signed after the war hadn’t finished by two countries.

Interrogative.

Did the two countries sign the treaty after the war had finished? 

Was the treaty signed after the war had finished by two countries?