1:
Does the factory manufacture business machines? Yes, it does.
Does the factory manufacture business machines or computers?
The factory manufactures business machines, doesn't it? Yes, it does.
What does the factory manufacture?
2:
Did anybody break into the office during the night? Yes, he did.
Did anybody break into the office or into the house?
Somebody broke into the office during the night, didn't he? Yes, he did.
Who broke into the office during the night.?
3:
Have I just seen the people next door? Yes, I have.
Have i just seen the people or the animal?
I have just seen the people next door, haven't I? Yes, I have.
Where have I just seen the people?
4:
Have I been running this company for a year and a half? Yes, I have.
Have I been running this company for a year and a half or for a month?
I have been running this company for a year and a half, haven't I? Yes, I have.
Who has been running this company for a year and a half?
5:
Is the manager typing the contract at the moment? Yes, she is.
Is the manager typing the contract or the poem at the moment?
The manager is typing the contract at the moment, isn't she? Yes, she is.
What is the manager typing at the moment?
6:
Were the parties negotiating the whole day yesterday? Yes, they were.
Were the parties negotiating or eating the whole day yesterday?
The parties were negotiating the whole day yesterday, weren't they? Yes, they were.
What were the parties doing the whole day yesterday?
©OAR