1.
A:Who's Lyn?
B: She's Sarah's mother.
2.
A:Whose sister is Kate?
B:Joe and Sally's.
3.
A:Who's George?
B:He's Sarah's father.
4
A:Who's Kevin?
B:He's Joe's father.
5
A:Whose sister is Sally?
B: Kate and Joe's.
C
Jill was ironing while Peter was doing washing-up.
Susan was having a shower when the doorbell rang.
David got into his car, started the engine and drove away.
D
used to
used to
didn't use to
used to
E
since
was watching
has tried
was going to call
has read
when
wanted
used to
D
started - had left
fa: had left
had bought - went
fa: had bought
passed - had studied
fa: had studied
had taken - went
fa: had taken