一般将来时的主系表结构：She will be a techer next year.
主谓宾结构：I will buy a new watch.
现在进行时的主谓宾结构：She is cleaning the room now.
现在进行时没有主系表结构
一般将来时和现在进行时的主系表和主谓宾结构,时间状语,动词的变化形式.
一般将来时的主系表结构：She will be a techer next year.
主谓宾结构：I will buy a new watch.
现在进行时的主谓宾结构：She is cleaning the room now.
现在进行时没有主系表结构