you need to pay ten yuan for the book,pay为什么不加s
发布网友
发布时间：2023-08-05 06:21
共1个回答
热心网友
时间：2024-12-15 03:34
to
do
sth.
need大致有三中用法
1.need
to
do
sth.(此时need是普通的不及物动词)
you
need
to
pay
ten
yuan
for
the
book
2.need
do
sth.(此时need是情态动词,故后面跟动词原形）
例如：
I
need
a
pen
to
write
with
3.need
sth/doing(此时need是普通的及物动词,故后面跟名词或动名词
need
doing
是需要被做有被动的意思need
doing
=
need
to
be
done
例如：My
bike
needs
mending.
