1. 1) When is she coming?
2) Where are they going?
3) Should we visit her?
4) Did they go there?
5) Are they tired?
2. 1) yet
2) since
3) already
4) for
5) already
6) just
3. 1) was watching, rang
2) broke, were playing
3) broke, was washing up
4. 1) needn't
2) have to
3) can, can't
4) must
5) needn't
5. 1) hasn't she?
2) hadn't they?
3) isn't he?
4) aren't you?
5) can't he?
6. 1) was built
2) are used
3) is made
4) was_invented
7. 1) a little
2) some
3) any
4) any
5) a little
6) some
8. be-was/were-been
come-came-come
do-did-done
have-had-had
give-gave-given
go-went-gone
meet-met-met
feel-felt-felt
buy-bought-bought
speak-spoke-spoken