1.
a - Present Simple
b - Present Progressive (=Present Continuous)
с - Past Simple
d - Future Simple
e - Present Perfect
2.
a) Kate bought some food yesterday. Kate didn't buy any food yesterday.
Did Kate buy any food yesterday?
b) Julie writes a letter to her mother once a week. Julie doesn't write a letter to her mother once a week. Does Julie write a letter to her mother once a week?
c) Mother is cooking chiken soup now. Mother isn't cooking chiken soup now. Is Mother cooking chiken soup now?
d) Bob has never had a bike. Bob hasn't ever had a bike. Has Bob ever had a bike?
e) My father will go to the country next month. My father will not go to the country next month. Will my father go to the country next month?
3
a) She has been cooking a holiday dinner for two hours.
b) Look at the clouds! It is going to snow.
c) What are they doing now?
d) Kate didn't buy any food yesterday.
4 Tom and Julie live in a big city in the center of the country.
Do Tom and Julie live in a big city in the center of the country? (общий)
Tom and Julie live in a big city in the center of the country, don't they? (разделит.)
Who lives in a big city in the center of the country? (вопр. к подлежащ.)
Where do Tom and Julie live? (спец.)
Do Tom and Julie live in a big city or in a small town in the center of the country? (альтерн.)