找出下列句子的谓语，并把主语填在横线上。
I am an English teacher.          _____________ 作谓语
I cook fish every day.          _____________ 作谓语
He teaches Chinese in my school.  _____________ 作谓语
I eat apples every day.           _____________ 作谓语
He can swim well.              _____________ 作谓语