3. Перепишите следующие предложения, содержащие оборот there + be. Переведите предложения на русский язык, обращая внимание на вреня глагола to be.

1.​ There were only a few higher educational establishments which trained geologists and mining engineers in our country at that time.

2.​ There are many reasons of weathering (эрозия, выветривание} , but much depends on the change in temperature.

3.​ There is not a single internal support for the roof of this building.