非谓语动词题 A man's first care should be ___the reproaches of his own heart.A man's first care should be ___the reproaches of his own heart.填 to aviod 为什么?做什么成分?
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非谓语动词题 A man's first care should be ___the reproaches of his own heart.A man's first care should be ___the reproaches of his own heart.填 to aviod 为什么?做什么成分?
非谓语动词题 A man's first care should be ___the reproaches of his own heart.
A man's first care should be ___the reproaches of his own heart.
填 to aviod 为什么?做什么成分?
非谓语动词题 A man's first care should be ___the reproaches of his own heart.A man's first care should be ___the reproaches of his own heart.填 to aviod 为什么?做什么成分?
首先,句子结构为【A man's first care（主语）】+ should be（谓语） +后面的非谓语动词短to aviod the reproaches of his own heart（非谓语动词短语整个充当句子的宾语）；
非谓语动词短语（注意不是句子）部分为to aviod the reproaches of his own heart,其中aviod 担任非谓语动词短语的及物动词（即可接宾语的动词）,后面的the reproaches of his own heart是avoid的宾语（这里的宾语不是句子的宾语,是动词的作用对象）,为了是这个动宾短语整体充当句子的宾语部分,在avoid前加一个to,使动词非谓语化（即可充当名词性成分）,是动宾短语整体成为句子的宾语.
用to aviod而不用avoiding 应该是因为这个要求人们还没有做到,所以还未发生,用不定式表示.
不定式作表语，你把should be 直接用is来代替，这样就不包含情态的意思了，最后理解的时候加上“应该”两个字，就能讲得通了。
A man's first care is to avoid the reproaches of his own heart.
A man's first care should be to avoid the reproaches of his own heart.
不定式的非谓语 作宾语