Каждое предложение поставить в положительную, отриц и вопросит форму во время

He was reading a text message on his mobile phone at 6 oclock yesterday.

He wasn't reading a text message on his mobile phone at 6 oclock yesterday.

Was he reading a text message on his mobile phone at 6 oclock yesterday?  

We were watching TV all evening yesterday.

We weren't watching TV all evening yesterday.

Were we watching TV all evening yesterday?

I was reading a magazine when my mother came.

I wasn't reading a magazine when my mother came.

Was I reading a magazine when my mother came?

My father was reading a newspaper all day yesterday.

My father wasn't reading a newspaper all day yesterday.

Was my father reading a newspaper all day yesterday?

Mary and Tony were working on computer while Sue was cooking dinner.

Mary and Tony weren't working on computer while Sue was cooking dinner.

Were Mary and Tony working on computer while Sue was cooking dinner?

They were listening to music yesterday morning.  

They weren't listening to music yesterday morning.  

Were they listening to music yesterday morning?

I was watching the local news at 5 oclock yesterday.

I wasn't watching the local news at 5 oclock yesterday.

Was I watching the local news at 5 oclock yesterday?

Dave was listening to the weather report at 3 oclock yesterday.

Dave wasn't listening to the weather report at 3 oclock yesterday.

Was Dave listening to the weather report at 3 oclock yesterday?