Английский язык 10 класс!

1) You are enjoying the party now. Are you enjoying the party now? You aren't enjoying the party now.
2) They were planting the flowers in the garden all day yesterday. Were they planting the flowers in the garden all day yesterday? They weren't planting the flowers in the garden all day yesterday.
3) They will be studying Japanese online from 6 till 6 o'clock tomorrow evening. When will they be studying Japanese online? They won't be studying Japanese online from 6 till 6 o'clock tomorrow evening.
4) He has done his work today. Who has done the work today? He hasn't done his work today.
5) My brother had translated 150 articles by the end of the year. How many articles had your brother translated by the end of the year? My brother hadn't translated 150 articles by the end of the year.
6) We will have finished the experiment by 5 o'clock tomorrow. What will we have finished by 5 o'clock tomorrow? We won't have finished the experiment by 5 o'clock tomorrow.
7) She was working in the library from 5 till 8 yesterday.
Was she working in the library from 5 till 8 yesterday?
Who was working in the library from 5 till 8 yesterday?
When she working in the library?
She was working in the library from 5 till 8 yesterday, wasn't she?
Was she working in the library or in the classroom from 5 till 8 yesterday?