1.The first
Christmas trees were (вспомогательный) introduced in Britain about 150 years ago.2. Christmas
is (смысловой) only a
few weeks away, so I have (вспомогательный) made a list of my favourite toys to send to
Santa Claus!3. Alf
played very well but in the end Jack was (глагол-связка эквивалента модального глагола could) able to beat him.4. Gary
Kasparov had (глагол-связка эквивалента модального глагола must) to work hard but finally it
paid and he became world chess champion.