require dong 和require sb to do sth的区别

require +sb.+to do sth需要某人做某事情,命令某人做某事情.
eg.The roof requires an expert to repair.屋顶需要专家才能修理

require doing sth需要做某事情
eg.The roof requires repairing屋顶需要修理了

前者是要求做事，后者是要求某人做某事

1.require
sb
to
do
sth要求某人做某事
例句
They
required
me
to
keep
silent.
他们吩咐我别出声。
2.require
doing
sth需要做某事情
例句
These
young
seedlings
will
require
looking
after
carefully.
这些幼苗需要细心照料。
拓展
1.require
(that)
sb.
(should)
do
要求某人应该做某事(虚拟语气)
例句
My
father
requires
me
that
I
should
get
the
first
prize
in
the
match.
2.require
doing/to
be
done
某事需要被做
3.require
to
do
sth.要求做某事
例句
He
required
to
see
my
passport.
他要看我的护照。

sth require doing=sth require to be done .某物需

Teacher
requir
us
to
wash
the
floor.要求做。要求我们擦地板。Floor
requir
washing.需要被做。地板需要被擦了。