Ответ:

1.

1.Amanda was travelling...

2.we were having...

3.martin was visiting....

2.

1.we weren't playing....

2.nick wasn't riding....

3.i wasn't learning ....

3.

1.was Kate cooking....

2.was Jim reading....

3.were my parents watching....

4.

1.saw/was walking

2.was walking/ met

3.was cooking

5.

1.while

2.when

3.while