Ответ:
упр.3
Present Continious
Now: We are studying
At this moment: you are studying
At this moment: he/she/it is studying
Present Perfect Continious
I have been studying since morning
You have been studying for a few hours
They have been studying for a few hours
Ex.4
- We are taking/we have been taking
- He is living/ he has been living
- They are working/ they have been working
- I am preparing/I have been preparing
- She is writting/She has been writting
- We are working/ we have been working