long to do还是be longing to do

long to do还是be longing to do I wanted to come here for so long.这里的for so longI wanted to come here for so long.这里的for so long是什么句子成分啊? 1.be long for ; be long to 2.look forward 3.leave sb/sth+doingto do 是be reluctant to do还是be reluctantly to do? be better do还是be better to do be made to do 正确还是be make do正确 be addicted to do还是doing? 英语be going to do还是doing be worth to do 还是doing be suppose to do sth还是supposed be found+doing还是to do? be worth to do 还是doing be surprised + to do还是doing be bound to do 还是doing be suggested to do还是doing be successful in +doing 还是 to do? be superior to +do还是doing? be indispensable to do还是doing