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It is too heavy for us to move .这里的for us当句子的什么成份,能不能省略?

来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/05/22 11:53:38
It is too heavy for us to move .这里的for us当句子的什么成份,能不能省略?
此句中,It是形式主语,句子真正的主语是动词不定式to move,（这样可以使句子显得不会头重脚轻）,is 是系动词,heavy形容词作表语,是个主系表结构的句子,for us 应该是做表语的补足语,若删去,对句子成分影响不大,但可能会影响句意.明白木有?
The problem is too difficult for us to solve it. 这个句子里面的it 为 帮忙分析一下句子的成分 It's too dark for us to see anything for us作表语吗? It is thoutful of you to play CDs for us 分析这个句子的成分,以及问一下,这里的 I think it important for us to do something 什么情况下is可以省略吗? The box is too heavy,for me to move.意思 GOD NEVER GIVES A CROSS THAT IS TOO HEAVY FOR US TO BEAR It is important for us to ______. it is easy for me to do sth.中的for me 在句子中当什么成份 The room is too smalll for us to live in的两个同义句 The ice is too thin for us to skate on.的同义句（2） l found it important for us to listen carefully in class这里的i 到底是it is important to us 还是it is important for us两者的区别是社么啊?