1.Petrov usually receives foreign delegations.
petrov does not receive usually foreign delegations -
what does petrov usually receive ?
2.They are studying the draft now.
they are not studying the draft now -
are they studying the draft now?
3.The delegation was at the theater last night.
the delegations was not at the theater last night -
when was the delegation at the theater ?
4.The manager was reading the contract at 2 o'clock.
The manager was not reading the contract at 2 o'clock-
Was the The manager was reading the contract at 2 o'clock?
5.The Financial Director has already gone on business to France.
The Financial Director has not already gone on business to France-
Has the Financial Director already gone on business to France?
6.I had filled in the arrival card en board the plane.
I had not filled in the arrival card en board the plane.
Had i fill the arrival card en board the plane.
He (had been driving) a car for three hours when he (reached) the airport.
We (had already packed) all our bags when they ( phoned) us.
It (had been snowing) for hours and no plane was able to take off.
Our guide (had organized) our trip before we ( talked ) to him.
She (washed up) after her mother (had come ) home.
They (had been looking) forward to this holiday for many years before they (managed) to find it.
Mark had already ( been) to Africa twice before he ( got) married.
We (had booked) our flights weeks before we ( left).
The scientist (had been preparing) the article for two hours before midnight.
I (had cooked) breakfast by 5 o’cloc
Объяснение: