下列句子划线部分的句子成分1.The problem (is how to feed a growing world population of almost 6 billion).2.Alice made a promise （to allow Peter to take a pound of his flesh from whatever part of his body) if he-did not pay the money bac

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下列句子划线部分的句子成分1.The problem (is how to feed a growing world population of almost 6 billion).2.Alice made a promise （to allow Peter to take a pound of his flesh from whatever part of his body) if he-did not pay the money bac
下列句子划线部分的句子成分
1.The problem (is how to feed a growing world population of almost 6 billion).
2.Alice made a promise （to allow Peter to take a pound of his flesh from whatever part of his body) if he-did not pay the money back at the end of three months.
3.At the time when Bassanio and Portia were getting married,a letter arrived from Antonio (saying that all his ships had been lost at sea and that he would have to give Shylock a pond of his flesh ).
4.what she was afraid of (was their taking her daughter abroad)
5.when I came out of the house he dropped the stick and explained that there was (something alive in our) rubbish bin
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下列句子划线部分的句子成分1.The problem (is how to feed a growing world population of almost 6 billion).2.Alice made a promise （to allow Peter to take a pound of his flesh from whatever part of his body) if he-did not pay the money bac
1.（是放在BE动词后）一般放在be动词或者其他系动词后的为表语）
2.定语（不定式作后置定语）不过这个也有点象同位语噶
3.定语
4.表语.前面半截是主语从句
5.从表面看是表语,其实也可算是there be 句型里面真正的主语.因为there be 是倒装了的句型.

1.表语成分
2.表目的
3.定语成分
4.表语
5.不知道