my shoes are so dirty that they need polished这句话对吗?是用polished形式还是polishing?急

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myshoesaresodirtythattheyneedpolished这句话对吗?是用polished形式还是polishing?急myshoesaresodirtythattheyneedpol

my shoes are so dirty that they need polished这句话对吗?是用polished形式还是polishing?急
my shoes are so dirty that they need polished这句话对吗?是用polished形式还是polishing?急

my shoes are so dirty that they need polished这句话对吗?是用polished形式还是polishing?急
你好,有两个句型来解答.1. sth needs /wants /requires doing. 2.sth needs/ wants /requires to be done. 看例句:You need to polish your shoes=Your shoes need to be polished=Your shoes need polishing. 再如:We need to repair our house.=Our house needs /wants /requires repairing=Our house wants /needs/ requires to be repaired. 明白了吗?

polishing
sth need doing = sth be needed to do

应该用polishing
sth. needs doing = sth. needs to be done.
你也可以说:
My shoes are so dirty that they need to be polished.

应该用polishing, need 这个单词比较特殊,它后面接被动语态的词要用ing形式代替过去分词。