В некоторых из данных предложений употреблена неправильная форма глагола. Дайте правильные варианты
1 a was working at the office now
2 at this time yesterday my husband is operation the computer
3 I was talking to my boss from 5 till yesterday
4 We will be listening to the report of our commerce director the whole evening tomorrow
5 They will be subscribing the contract now

1 I am working at the office now. 2 At this time yesterday my husband was operating the computer. 3 I was talking to my boss from 5 till 7 yesterday. 4 We will be listening to the report of our commerce director the whole evening tomorrow. 5 They are signing the contract now.