主语补足语也就是表语.
our plan is to climb the mountain tomorrow morning.
首先分析句子结构,句子主语似乎our plan,谓语是is,表语也就是你所说的主语补足语是to climb the mountain, 状语是tomorrow morning.
表语/主语补足语一般来说就是be动词或者是系动词后的东西.
而we are to meet at the art museum tomorrow.也属于同类句子,are后的为主语补足语
主语补足语也就是表语.
our plan is to climb the mountain tomorrow morning.
首先分析句子结构,句子主语似乎our plan,谓语是is,表语也就是你所说的主语补足语是to climb the mountain, 状语是tomorrow morning.
表语/主语补足语一般来说就是be动词或者是系动词后的东西.
而we are to meet at the art museum tomorrow.也属于同类句子,are后的为主语补足语