如果我们当初在那个项目上花了更多心思，结果可能大不一样。
If we had put more effort into that project, the result would have been quite different.
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If英 /ɪf/|美 /ɪf/
had英 /hæd/|美 /hæd/
would英 /wʊd/|美 /wʊd/
解释
if 从句用 had put（过去完成时）表示与过去相反的假设，主句用 would have been 表示假想的不同结果。对过去决策的反思，带有遗憾意味。
If we had put more effort into that project, the result would have been quite different.
if 从句用 had put（过去完成时）表示与过去相反的假设，主句用 would have been 表示假想的不同结果。对过去决策的反思，带有遗憾意味。