Miss Mary teaches us English.玛丽教我们英语。(teaches 动词作谓语)
Mr.Victor came to our classroom to have a talk with us last week.维克托先生上周来到了我们教室和我们谈话。 (to have a talk.... 不定式作状语)
2) 谓语动词受主语的人称和数的限制,而非谓语动词形式没有这种限制。
Larke likes the pop music. 拉克喜欢流行音乐。 (动词用单数第三人称形式)
Larke has nothing to do today. 拉克今天没什么事要做。(do 用原形)
3)