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<正>[语言要点]1.She might have called for help.(SKⅡ,P55)“might have called”用于对过去情况进行推测,是一种虚拟形式,表示“本来可能……,但事实上过去并没有……”。例如:You were stupid to try Climbing upthere.You might have killed yourself.你试图在那儿攀登真是愚蠢,你也许会摔死的。(事实上过去并未摔死)