说明
suppose we went/go
核心问题
（A）Suppose we go for a swim.
(B) Suppose we went for a swim.
上面两个句子哪个句子是正确的？
词典解答
上面两个句子都是正确的。这就是说 suppose 的宾语从句既可用陈述语气，也可用虚拟语气。上面两句中的 suppose 用于提出建议或请求，有时候相当于一个祈使句。在 suppose 后面的从句中使用过去时主要是为了使所提出的建议变得客气、委婉，或者使所提出的建议听起来不那么肯定。
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Suppose we have lunch now! (Chambers) 我们现在吃午饭好吗?
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Let us suppose that a child suddenly crosses the road in front of you. (New Concept English, Book 2, L.69) 现在假设一个小孩突然在你面前穿过马路。
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Suppose you meet me at the post office at half-past seven. (Palmer) 你七点半到邮局来找我,好吗?
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“Daddy, can I watch TV?”——“Suppose you did your homework first?”(PEU) “爸爸，我能看电视吗?”——“你先做家庭作业，怎么样?”