Английский язык в астрономическом кружке

Глагол to be в предложениях

It's also wrong. I am a pupil.


You are "observing" instead of "looking".

to be + V_ing

As instruments become more sensitive, more earthquakes are detected.

to be + V_ed

You task is to observe.

to be + to V

I am at the Observatory.

to be + предлог

They are a nuisance.

to be+ существительное

V_ing - причастие настоящего времени;

V_ed - причастие прошедшего времени;

I think who may be interested.