Hurry up!We ____(保证)we would not be late again.为什么用 promised 而不是 have promised

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Hurryup!We____(保证)wewouldnotbelateagain.为什么用promised而不是havepromisedHurryup!We____(保证)wewouldnotbelat

Hurry up!We ____(保证)we would not be late again.为什么用 promised 而不是 have promised
Hurry up!We ____(保证)we would not be late again.
为什么用 promised 而不是 have promised

Hurry up!We ____(保证)we would not be late again.为什么用 promised 而不是 have promised
因为后面是we “would” not be late again. 为了保持一致你就不能用have promised.
你可以说we have promised we will never be late again

have promised 是指曾有过一个承诺 但未发生 promised就是指许诺 ...

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have promised 是指曾有过一个承诺 但未发生 promised就是指许诺 例如He promised to avenge his father's murder 他发誓要报杀父之仇 是过去时 my parents have promised to come to see me before I left for china。因为这个承诺还未发生 所以用过去完成时

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