Now it is on a flower.改一般疑问句,Now还可以放在开头吗?

Now it is on a flower.改一般疑问句,Now还可以放在开头吗? it is raining now.变为一般疑问句 It has a nice flower.改成一般疑问句,怎么改? My brother is in the park now.改一般疑问句. Ben is living in China now.改一般疑问句 It has a flower 改为一般疑问句 She is drawing a picture now.变成一般疑问句 she is singing a song now 改为一般疑问句 Helen sat down on the seat quietly just now(改一般疑问句,并做否定回答) she is reading the book now?是一般疑问句吗? It is a cat now.(改为一般过去式） would you like a glass of milk?做肯定回答it is cool now.作为一般疑问句