1.Ihopeyoufeelbettersoon

　　hope是谓语动词,后接宾语,所以youfeelbettersoon属于宾语从句

　　2.supposehedoesn'tcome,shallwegowithouthim?

　　hedoesn'tcome是suppose的内容,所以是同位语从句.此处suppose做主语,为名词.

　　3.Comeandstayaslongasyouplease

　　aslongasyouplease是条件状语.翻译：只要你愿意就可以过来并留下来.

　　4.I'lljustsaywhatevercomesintomyhead

　　say是谓语动词,后接宾语,所以whatevercomesintomyhead属于宾语从句

　　5.whateverhappens,I'mgoing.翻译：不管发生了什么,我都会去的.

　　此处whateverhappens是条件状语.