Помогите перевести на английский язык правильно

1) They were drinking tea when I got home 2) He was walking along the river when the boat passed them 3) My grandfather had fallen asleep when watching TV 4) Yesterday, we heard an interesting lecture 5) When I walked into class, the teacher wrote on the blackboard, and Students copied in a notebook. 6) They were ready to go when it started to rain 7) hours per hour of the day I had lunch in the dining room 8) When he came, I wrote an outline of 9) - What were you doing at eight o\u0026#39;clock last night? \u0026quot;- At this time yesterday I was walking home

1) They saw tea, when I have come home
2) It(he) went for a walk along the river, when the boat floated past
3) The grandfather has fallen asleep, when the TV set looked
4) Yesterday we have heard interesting lecture
5) When I have gone to a class, the teacher wrote on a board, and the students copied to themselves in тетрадь.
6) They were already ready to leave, when the rain began
7) Yesterday at one o'clock I had dinner in a restaurant
8) When it(he) has gone, I wrote the abstract
9) - What you did(made) at eight hours yesterday?
- At this time yesterday I went home

1) They saw tea, when I have come home
2) It (he) went for a walk along the river, when the boat floated past
3) The grandfather has fallen asleep, when the TV set looked
4) Yesterday we have heard interesting lecture
5) When I have gone to a class, the teacher wrote on a board, and the students copied to themselves in a notebook.
6) They were already ready to leave, when the rain began
7) Yesterday at one o'clock I had dinner in a restaurant
8) When it (he) has gone, I wrote the abstract
9) - What you did (made) at eight hours yesterday?
- At this time yesterday I went home

Первый перевод совершенно неправильный.
They were drinking tea when I came home
He walked along the river when the boat passed them
Grandpa fell asleep when watching TV
Yesterday we heard an interesting lecture
When I walked into class, the teacher wrote on the blackboard and students copied itself into a notebook.
They were ready to go when it started to rain
Yesterday in the hour of the day I had lunch in the dining
When he came, I wrote an outline
- What were you doing at eight o'clock last night?
- At this time yesterday I was walking home