it形式主语,is系动词;adj表语;to do真正的主语。for sb是不定式的逻辑主语。
it is great fun to do sth分析句子结构成分
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相关问题
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it is a great fun to do sth.
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It is fun?到底是It is fun to do sth 还是It is fun doing sth?It is
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为什么能说What fun it is to do sth.却不能说How fun it is to do sth.
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It is fun to do sth.句型fun的词性
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请分析这个句子It is a great place,fun and friendly.
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It's fun to do sth.
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What a great fun it is to go surfing; What great fun it is t
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It is great fun playing with him分析
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it is fun to do和it is fun doing区别
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It's fun to do sth.中的fun什么词性