allow 后接 to do 和 doing 有何区别?
allow上后面只能接doing的形式,还可以接不定式的复合结构, 即 allow sb. to do sth.接 to do 的形式 只能是将allow 变为被动语态才可以, 即 be allowed to do sth.
e.g. They do not allow smoking here.
Are we allowed to use the basin by the side of the cupboard?
allow上后面只能接doing的形式,还可以接不定式的复合结构, 即 allow sb. to do sth.接 to do 的形式 只能是将allow 变为被动语态才可以, 即 be allowed to do sth.
e.g. They do not allow smoking here.
Are we allowed to use the basin by the side of the cupboard?