He seems to be sleeping,为什么有个be?sleep为什么加ing?
He seems to be sleeping,为什么有个be?sleep为什么加ing?
He seems to be honest为什么要加to be.
what seems to be the problem.中seems为什么要加s?
pretend to be sleep 和pretend to be sleeping
I am sleeping为什么结尾不直接用SLEEP而要加ING那?
he seems to be sick
求语法解析!he seems to be studying it .这句中的to be studying为什么这么用,我
There seems to be和It seems to be哪个对?为什么呢?
she seems to be sad.动词不定式不是to+动词原形吗,中间为什么加be,不加be行吗,两种意思会不一样
There seems to be .为什么开头用there 不用 it
it seems to be rain.这个句子对不对,为什么?
be加动词ing吗句子就单单个be后面有个动词加ing吗he`must`be___(water)the`graen`no