关于if的定语从句他们认不出他们看出的东西是否是个钱包?是不是应该说：They couldn't recognize if what they saw was a wallet.变成定语从句：They saw something they couldn't recognize if was a wallet.
问题描述：
关于if的定语从句
他们认不出他们看出的东西是否是个钱包?
是不是应该说：They couldn't recognize if what they saw was a wallet.
变成定语从句：They saw something they couldn't recognize if was a wallet.
答
应该是在第二句话后面加上一个there，第一句话正确
答
第一句话是正确的,第二句if后面应该有个it
something是saw的宾语,并不是宾语的提前.如果这句话是正确的,那么if后面的从句是没有主语的,因此应该有一个主语it来指代前面的something