1. Present Simple.
Does it rain in this part of the country?
Where does it often rain?
It often...of the country, doesn't it?
What it does in this part of the country?
Does it rain only in this part?
2. Was it raining cats and dogs yesterday?
At what time was it raining cats and dogs?
How was it raining yesterday?
It was... yesterday, wasn't it?
Was it only raining, not also snowing yesterday?
3. Will your English get better next year?
How will be your english next year?
What language will be better and better next year?
Your English..next year, won't it?
Will only this subject get better next year?