例: I saw Tom and his parents have a good time in the zoo.问题补充: 为什么要用have而不用has

问题描述:

例: I saw Tom and his parents have a good time in the zoo.问题补充: 为什么要用have而不用has

因为是and ,要是with 的话用has.
1,and 的话主语是I and Tom
2.with 的话主语是Tom,属于第三人称