ребят помогите как раскрыть скобки, употребляя глаголы в Present Continuous или Past Continuous

I ( to write ) an English exercise now.
I ( to write ) an English exercise at this time yesterday.
My little sister ( to sleep ) now.
My little sister ( to sleep ) at this time yestarday.
My friends ( not to do ) their homework now. They ( to play ) volley-ball.
My friends ( not to do ) their homework at seven o'clock yesterday.
They ( to play ) volley-ball.
Youn ( to eat ) ice-cream now?
You ( to eat ) ice-cream when I lang you up yesterday?
What your father ( to do ) now?
What your father ( to do ) from eight till nine yesterday?
Why she ( to cry ) now ?
Why she ( to cry ) when I saw her yesterday?
She ( to read ) the whole evening yesterday.
She ( not to read ) now
Now she ( to go ) to school.
What you ( to do ) now?-I ( to dring ) tea.
You ( to drink ) tea at this time yesterday? - No, I ( not to dring ) tea at this time yesterday,I ( to eat ) a banana .

im writing an english nowi was writing at this time yesterdaysister is sleeping nowsister was sleepingfriends isnt doing ..nowthey playing ...friends wasnt doing ...yesterdaythey was playingare you eating...nowwere you eating ....yesterdaywhat are your father doing now?what was ...doing ...yesterday? why is she crying?why was she crying ...yesterdayshe was reading....yesterdayshe is reading nownow she is going th schoolwhat are you doing now . im drinking teawere you drinking...yesterday?no i wasnt...i was eating