是不是每句英语都会用到形容词或副词？

I am Jack
就没用到.
简单句一般只含主语,谓语,(宾语)
或主系表结构.

不会~
Do you like it？

不是，特别简单的句子就没有，比如
I'm a student.

such as, you say to your girlfriend" I love you." This sentence don't use any adverb or adjective.
haha！