Ответ:
№1 Open-opened[d]
Work-worked[t]
Jump-jumped[t]
Ski-skied[id]
Skate-skated[d]
Love-loved[d]
Want-wanted[t]
Help-helped[t]
Finish-finished[t]
Collect-collected[d]
Play-played[d]
Need-needed[id]
№2
We opened our books.
I helped my mum.
Children liked their new song.
He skated very well.
The boys liked to play football.
A lot of animals lived in the zoo.
Ann watered the plants.