It is +adj+-ving的语法现象?
It is adj to do sth/It is adj doing sth两个语法句式都对吗?
It is +adj+that的从句用法
go +ving 是什么语法?
it is + adj + of you 与 it is + adj + for you 的区别
it is hard to+Ving还是to do sth
have been+v原,过分,adj,ving的情况和详解
it is adj to do 和it is adj do一样吗?有没有it is adj do?好像是两个句型的结构上
it is +adj+for sb.
关于非谓语动词的语法)It is+ adj.of / for sb.to do sth.结构中,当不定式的逻辑主语和前面
有 It is adj+to sb的形式么?
It is adj to do与doing的区别是什么?
It is +not+adj+to do sth.的用法