Разобраться)) (not to drink) coffee now.. your friend (to do) his homework now? my mother (not to work )now..look! my grandmother (not to work father (not to sleep )now. what your sister (to do) now? my mother (not to play)the piano now.she (not to drink )coffee now.1(not to write)a letter now.my father(not to sleep ) now what your sister (to do) now? your sister (to rest) now? what you (to do) now? what you (to read) now? what they (to eat) now? what your brother (to drink) now?

Is your friend doing his homework now?
My mother isn't working now.
Look! My grandmother isn't working.
My father isn't sleeping now.
What is your sister doing now?
My mother isn't playing the piano now.
She isn't drinking coffee now.
I am not writing a letter now.
My father isn't sleeping now.
What is your sister doing now?
Is your sister resting now?
What are they eating now?
What is your brother drinking now?