1、1 It seems that she likes you(主语从句)--------简单句：She seems to like you2 It seems that she is reading something--------------She seems to BE READING something.3 It seems that she has done her work.----------------She seems to HAVE done her work4 It seems that she was here last week.-------------------She seems to HAVE BEEN here last week.5 It seemed that she knew everyone there--------She seemed to KNOW everyone there. it (形式主语)seems （谓语）that she likes you （真正主语） that是引导词。

2、she- - -you是真正主语。