连词成句 1、here,to,glad,l'm,be,

连词成句 1、here,to,glad,l'm,be, ,I'm glad to be here with l'm glad to be here.为什么加be,都什么时候用呢?thanks I be to would help glad you.(连词成句) what can I do for you sir 同义句转换 I am to here very be glad 连词 meet,to,you,glad连词成句 is what to l do like here 连词成句 glad,I,you,will,come,be,when,to,Canada 连词成句 am,l,to.going,an,be,artist(连词成句) l to doctor am going be a连词成句 i'm very glad to be here.还有干吗用be?come可不可以 I'm glad to be here.中be的用法是什么?为什么要用原形?