We had done our project by 3 o'clock.
He had swum in the ocean by 2 o'clock.
She had learnt to read before she went to school.
When I arrived at the cinema the film had started.
You had felt sick all day, so we took you to the doctor’s.
When the rain had stopped, they went for a walk.
It had been strange enough before he told me the details.
I had not watched TV before I came home.
She had not met him before she went to school.
He had not played before he had finished his work.
We had not written the essay before we read the book.
They had not gone there before they were 25 years old.
You had not cleaned the carpet before mother came back.
Had they eaten breakfast before they went to school?
Had you called him before you saw me?
Had she finished work before she left?
Had he read a book before he went to bed?
Had we drunk coffee before we went to work?
Had I bought a flat before I graduated the university?
Where did you stay?( past simple)
Who did you go with?( past simple)
What was happened? ( passive voice)
What did she do?
What did they say?
Who did find them?
What requires a crane truck,mounting of supports and oil paintwork laying of an above-the-ground?
What does steel gas pipeline require laying of an above-the -ground?
Where does the steel gas pipeline lay?
What kind of gas pipeline requires a crane truck,mounting of supports and oil paintwork laying of an above-the-ground?
Why does steel gas pipeline require a crane truck,mounting of supports and oil paintwork laying of an above-the -ground?