分析子成分 The doctor did his best to do what he could to help the sic_英语解答

分析子成分 The doctor did his best to do what he could to help the sick boy .
主要说明 he could 是什么成分

人气：202 ℃　时间：2020-04-13 08:12:02

解答

the doctor是主语,did是谓语.后面是一个有what引导的宾语从句,整个句子做宾语.宾语从句里he做主语,could为谓语,what引导词做宾语.