would come,was going to come, was coming的区别

1 would come,was going to come, was coming的区别

老师，您好！麻烦详细答复以下问题：

用 come 的正确形式填空：

Jack has just arrived, but I didn't know he ______(come) until minutes ago.

答案是 would come.

但我认为如果填写 was going to come 或 was coming 等，则也是正确的。

麻烦老师能详细深入分析一下，谢谢！谢谢！

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最佳答案 2018-03-08 09:24

用 come 的正确形式填空：

Jack has just arrived, but I didn't know he ______(come) until minutes ago.

答案是 would come.

但我认为如果填写 was going to come 或 was coming 等，则也是正确的。

【答】he ______(come)是宾语从句，作didn't know的宾语，所以come应该用过去将来时形式。根据《牛津英语用法指南》第三版221节，过去将来时可以用以下任何形式表示：was [were] going to do ; was [were] doing; would do; was [were] to do; have [has] been going to do.所以，以下任何一个都可以作为这道题的答案：would come； was going to come ；was coming ；was to come; has been going to come。