it is essential ___（for us to be prepared）____for that.里的it 是形式主語代替真正的主語to be prepared for that放在句首,而不是指us,那個(gè)for us 是essential的補(bǔ)語,不影響動(dòng)詞的形式.
另外,to be prepared的be prepared不是被動(dòng)語態(tài),而是動(dòng)詞的過去式作形容詞表示“準(zhǔn)備好的”.
類似的句子還有：
We are prepared for the final esamination.(對(duì)于期末考試,我們做了充分的準(zhǔn)備.)
這個(gè)里面所涉及的語法點(diǎn)有：it做形式主語,不定式短語,動(dòng)詞的過去式的意義
不知道這么解釋,LZ清楚了沒,歡迎交流~
the opening ceremony is a great occasion.it is essential _______for that.
the opening ceremony is a great occasion.it is essential _______for that.
A for us to be prepared B that we are prepared.
..可是我覺得應(yīng)該是 for us to prepare
答案說如果是B的話 應(yīng)該原句是 it is essential that we should prepare for that opening ceremony （那如果按照是A的邏輯 是被動(dòng)的話 這里不應(yīng)該就是...should be prepare）
為什么不是 for us to prepare
it is essential ___（for us to be prepare）____for that.
這里的it 指us的話。為什么要用被動(dòng)。
A for us to be prepared B that we are prepared.
..可是我覺得應(yīng)該是 for us to prepare
答案說如果是B的話 應(yīng)該原句是 it is essential that we should prepare for that opening ceremony （那如果按照是A的邏輯 是被動(dòng)的話 這里不應(yīng)該就是...should be prepare）
為什么不是 for us to prepare
it is essential ___（for us to be prepare）____for that.
這里的it 指us的話。為什么要用被動(dòng)。
其他人氣：535 ℃時(shí)間：2019-09-05 09:12:38
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