第一句是主从复合句,主句是Tim told us about something very funny,从句（美国英语叫做子句）是that happened to his father once.that是关系代词,指的是something very funny.注意,先行词是不定代词something时,关系代词用that,不能用which,整句话：“蒂姆告诉我们一件曾经发生在他父亲身上的很有趣的事.”
第二句为简单句,有两个并列的谓语动词,意思是：“她把地毯拿出了房间,把它晾在太阳底下.”希望我能帮助你解疑释惑.