We left home yesterday. 2They know german very well. 3 We are singing a russian song составить вопросы ​

We left home yesterday.  

We left home yesterday, didn`t we? –разделительный  

Did we leave home yesterday? – общий  

When did we leave home?/ What did we leave yesterday? - специальный

Who left home yesterday? – к подлежащему

Did we leave home or city yesterday? - альтернативный  

They know German very well.

They know German very well, don`t they?

Do they know German very well?

What do they know very well?  

Who knows German very well?

Do they know German or English very well?

We are singing a Russian song.

We are singing a Russian song, aren`t we?

Are we singing a Russian song?

What are we singing ?

Who is singing a Russian song?

Are we singing a Russian or Spanish song?

Did we leave home yesterday?

Do they know German very well?

Are we singing a Russian song?