they have had special cages made to protect them from these monsters中have had 是什么结构?我知道have sth done的结构,那么这里为什么还有had?是完成时?had相当于have done中的done?

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theyhavehadspecialcagesmadetoprotectthemfromthesemonsters中havehad是什么结构?我知道havesthdone的结构,那么这里为什么还有ha

they have had special cages made to protect them from these monsters中have had 是什么结构?我知道have sth done的结构,那么这里为什么还有had?是完成时?had相当于have done中的done?
they have had special cages made to protect them from these monsters中have had 是什么结构?
我知道have sth done的结构,那么这里为什么还有had?是完成时?had相当于have done中的done?

　　have 既可以用作实意动词表示“使得”,也可以用作助动词与其他动词的过去分词构成完成时态.本句中的第一个 have 是助动词,第二个 had 是实意动词 have 的过去分词,have had 放在一起就是实意动词 have 的完成时态.

　　本句如果用一般现在时表示经常性的行为就是——

they (have special cages made) to protect them from these monsters. 意思是“他们通常（让人）做特殊的的笼子以保护他们不受妖怪的侵害”.

　　把上面的 have cages made 中的 have 变成过去分词 had, 前面再加上助动词 have,就变成完成时态 have had cages made,意思是“他们已经（让人）做了特殊的的笼子以保护他们不受妖怪的侵害”.

是have done 的结构现在完成时

你的理解是正确的，这句子里如果用一般现在时，就是have special......然后你把他变成完成时，就是have had special了。

have done是现在完成时 have在这是实意动词相当于do 现在完成时就变成have had 了。你的理解是对的理解的很好我是英语老师很高兴能帮祝你有问题可以问我

嗯，对的，你可以先把时态看成现在时，那么句子就为：They have specical cages made to protect from....
这里的谓语动词have意思是有
而have done sth 结构是完成时，所以才有have had...

They started immediately when they ( )breakfast.A.hadB.had have C.have hadD.had had Have they had any tea or milk? Have they had any tea or milk? they have just had some sandwiches . They have used all that they had.(改为同义句)They have ____ ____ ____ ____ they had. ___________ had enough time,they would have visited the Great Wall.A) Had they B) Have they C) Would they have D) If they They would have a rest if they time.A have Bhave ,had C would have D had,选什么,为何怎么翻译这句英文 If they had had the resources ,they certainly would have. had they had time then,they would have studied English,too. () a sports meet last Sunday Yes ,they ().A.Did they have… didB.Did they have… hadC.Had they… hadD.Had they… did Every morning the patients are asked if()their temperature taken.A:they had had.B:they have had.选什么改为感叹句they have had a good trip they have just had some sandwiches 对some sandwiches 提问 BBC一句话They don't have the infrastructure that they would have had.中that they would have had.怎么翻译,有什么用法吗? we've had our dinner;have they had “*”填写一个什么代词?并翻译一下词句. they would go out for a work if they ____ timeA have B have C would have D had Had they known what was coming next,they _ second thoughts答案是might have had.为什么不能用 must have had 猜测他们一定会 If they had taken my advice,they .A.had wonB.could wonC.should winD.could have won