Question

be to和be about to区别

Answer 1

be
about
to
do表"立即的将来"。如：The
train
is
about
to
start.火车马上就要开了。
be
to表按计划或安排要做的事。但不表示“立即”。如：She
is
to
get
married
next
month.
她下个月结婚。