Chia động từ "to be" ở dạng đúng

Chia động từ "to be" ở dạng đúng
John and mandy ................ cleaning the kitchen
I.............. reading a book at the moment 
It ...............raining
We ..............singing a new song 
The children .................... watching TV
My pets .................sleeping now 
Aunt helen ...............fleeding the ducks
Our friends ....................packing their rucksacks
He .............. buying a magazine
They ............. doing their homework