Put the verbs in brackets into the to-infinitive or
the -ing form. Explain any differences in meaning,
then check in the Grammar Reference section.
1 a Do you remember .................... (switch) the
coffee maker off before leaving for work
this morning?
b She always remembers................ (switch) the
coffee maker off before she leaves for
work.
2 a If you can’t get to sleep, try.................. (drink)
some hot milk.
b Carrie tried................. (open) the door, but it
was stuck.
3 a Pam has stopped................ (watch) TV; she’s
doing housework now.
b Pam has been doing housework all day, but
now she has stopped.............. (watch) some
TV.
4 a John went on................ (talk) about his life in
Madrid all day long.
b After telling me about his family, John went
on............ (talk) about his life in Madrid.
