1. My mother is already cooking the breakfast for 30 minutes.
2. He had been reading a book in the library 2 days ago.
3. I have not learnt all the words yet.
4. I have already done all the work by two o'clock yesterday.
5. He will already have got the letter tomorrow.
6. My father does not work in America.
7. My younger brother will go to school the next year.
8. I did not visit this museum yesterday.
9. I will have been waiting you at the exit tomorrow from 9 am to 2 pm.
1 My mum has been already cooking the breakfast for 30 minutes
2 he was reading this in the library 2 days ago at this time/
3I have not learnt theese words yet
4I had already done aii the work by 2 o`clock yesterday
5he will has got the letter by 5 o`clock tomorrow
6my father does not work in america
7my younger brother will go to school next year
8Ihave или без have (не уверенна в каком конкретно варианте будет правильнее) visited this museum yesterday
9Tomorrow I will be waiting for you from at the exit 9 till 2