It seems that/as if在什么时候可以省略不要意思,我要的 是什么时候可省略,

it seems that和it seems as if的区别? It seems that 和It seems as if区别 it seems as if 和it seems that的区别 it seems that 和 as if 有什么不同? it seems that和it seems as if的区别是什么? ____ he knew nothing about her.A.It seems that B.It seems as if it seems that 和 it seems as if的区别It seems that it is going to rain 和It seems as if it is going to rain 有什么区别吗? It seems that/as if在什么时候可以省略不要意思,我要的 是什么时候可省略, It ______ that Mary has given up _____. A.looks as if ,smoking B.seems ,smoking as if在这里可以省略吗It seems as if it is going to rain.看来快下雨了. It seems that 和 It seems as if中的是形式主语吧?真正的主语呢?逻辑主语呢?（请详细一点, She has read so many books that it seems as if everything she knew,为什么用knew而不用knows! It seems as if 属于什么从句类型? It seems as if 属于什么从句类型? it seems as if there will be an election soon.so it does还是seems啊 it seems as if there will be an election soon.so it does还是seems? It seems as if从句怎么用It seems as if与seem like有什么区别 “似乎要下雨了”应该用 it seems as if 还是it looks as if