Найти в этих предложениях видовременную форму глагола - сказуемого. Как можно

Найти в этих предложениях видовременную форму глагола - сказуемого. Как можно прытче) Заблаговременно СПАСИБО)))

1) The discovery of the existence of man apes of Southern Africa shows that these ancient and primitive beings lived there before and during rainy periods.

2) The British Goverment is trying to bring back life to the highlands.

3) For nine centuries the sea has protected the British from invasion and foreign occupation.

4) The scientists will have deciphered the inscriptions on this monument by the end of this year.