Ask 5 types of questions: The bus arrived at the village every morning. The president has just come back from his business trip. By January our department had done all the work. They are discussing at the meeting now. We will have been walking for three hours.

The bus arrived at the village every morning.

Did the bus arrive at the village every morning?

Did the bus arrive at the village or at the city every morning?

Where did the bus arrive every morning?

What did arrived at the village every morning?

The bus arrived at the village every morning, didn't it?

The president has just come back from his business trip.

Has the president just come back from his business trip?

Has the president just come back from his business trip or his holiday?

What has the president just come back from?

Who has just come back from his business trip?

The president has just come back from his business trip, hasn't he?

By January our department had done all the work.

Had our department done all the work by January?

Had our department done all the wok by January or by February?

By what month had our department done all the work?

Whose department had done all the work by January?

By January our department had done all the work, hadn't it?

They are discussing at the meeting now.

Are they discussing at the meeting now?

Are they discussing at the meeting or at lunch now?

What are they doing at the meeting now?

Who is discussing at the meeting now?

They are discussing at the meeting now, aren't they?

We will have been walking for three hours.

Will we have been walking for three hours?

Will we have been walking for three or for four hours?

How long will have we been walking?

Who will have been walking for three hours?

We will have been walking for three hours, won't we?