把下列句子改为否定句、一般疑问句、翻译。

I'm playing basketball with my friend now.

He is helping his mom do the housework.

She is gong to school .

They are drinking water now .

Listen! She is singing.

Rod is swimming now.

Ann is dancing.

David is taking photos.

Emma is sleeping.

My mum is cooking.

I am playing computer.

You are doing your homwork.

You are thinking this English question.

Please turn down the redio,my baby is sleeping now.

I'm having a meal now,and I'll come back soon.

He is doing his homework,so you should not talk to him.

I'm asking your question now.

My dad is watching TV.

My grandad is reading.

My sister is studying at school.

I'm not playing basketball with my friend now
　　An i playing basketball with my friend now?
　　我正在和朋友们一起打篮球。

　　He is not helping his mom do the housework.
　　Is he helping his mom do the housework?
　　他正在帮妈妈做家务。

　　She is not going to school.
　　Is she going to school?
　　她正在去学校。

　　They are not drinking water now.
　　Are they drinking water now.
　　他们正在喝水。

　　Listen! SHe is not singing.
　　Listen! Is she singing.
　　听！她正在唱歌。

　　Rod is not swimming now.
　　Is Rod swimming now?
　　罗德正在游泳。

　　Ann is not dancing.
　　Is Ann dancing?
　　安正在跳舞。

　　David is not taking photos.
　　Is David taking photos?
　　戴维正在拍照。

　　Emma is not sleeping.
　　Is Emma sleeping.
　　艾玛正在睡觉。

　　My mom is not cooking.
　　Is my mon cooking?
　　我的妈妈正在做饭。

　　I am not playing computer.
　　Am I playing computer?
　　我正在玩电脑。