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语法 :He asked me if we were confident that we _____the task b

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语法 :He asked me if we were confident that we _____the task by the following week
A have fulfilled
B will have fulfilled
C had fufilled
D would have fulfilled
请问整句是否主谓双宾结构 that从句是否是形容词confident的同位语从句
这里为什么要用D 虚拟语气?
语法 :He asked me if we were confident that we _____the task b
整句是主谓双宾结构,ask sb sth
that引导的不是同位语从句,因为confident不是名词,另外D项不是虚拟语气,而是将来完成时,根据by the following week判断,(by 加将来时间,用将来完成时),这个句子的谓语动词应该是will have done,而前面的主语又用了过去时,按照英语中主句用过去,从句也需用过去(客观真理除外)的原则,将will have done里面的will 变成would