Where is he/she from?和Where does he/she live?里面为什么does和is不同 同样是第三人称

问题描述:

Where is he/she from?和Where does he/she live?里面为什么does和is不同 同样是第三人称

from是介词,前面用be动词 he is from china
live是动词,前面用助动词do/does/did he live in china
疑问句是be动词或助动词提前is he / does he
供参考