Question

ПОМОГИТЕ ПОЖАЛУЙСТА, 20 баллов<3
1. Transform the sentences into negative and interrogative.

By the time mum came home her son had cooked the dinner.

Sandra had been writing a report for three hours before she realized it was too late.

This bridge was built in 1953.

Tom was reading a very interesting book while his dad was watching a football match

Answer 1

By the time mum came home her son had notcooked the dinner.
Who had cooked the dinner by the time mum came home?

Sandra had not been writing a report for three hours before she did not realize it was too late.
Who  had  been writing a report for three hours before she realized it was too late?


This bridge was not built in 1953.
When did this bridge was built?

 
Tom was not reading a very interesting book while his dad was not watching a football match.
Who was reading a very interesting book while his dad was watching a football match?