每天一问:第三人称单数应该用comes from 还是come from 另 用comes from 和come from 各造三句

问题描述:

每天一问:第三人称单数应该用comes from 还是come from 另 用comes from 和come from 各造三句

三单应用comes from
He comes from Beijing.
I am come from China.

第三人称单数是用comes from,如:Lucy comes from America.
用come from 的情况一般主语是I,或者you,如:
I come from China.
where do you come from?