the musicians were to play jokes on each other 这句中为什么要加介词to?

Question

如题所述

Answer 1

was/were
+
to
过去将来时
am/is
/are
+
to
do
sth一般将来时,表示按计划,约定将要发生的事情
eg:we
are
to
meet
at
the
school
gate
tomorrow
morning.
was/were
+to
do
sth
过去将来时,表示在过去的时间来看,事情将会发生.使用这种时态时,要注意时间的参照点.在间接引语中用的比较多.
eg:He
said
he
was
to
leave
for
Beijing
next
week.