1. Both he and his wife like singing. (both.. and...连词)
2. He and his wife both like singing. (both代词,做同位语)
3. Both of him and his wife like singing. (Both 代词)
这三种表达都是正确的吗?
第1句和第2句正确,第3句不正确。Both of后面通常只接复数名词,而不接A and B的结构,即不用于 both of A and B,遇此情况需改为both A and B。