我本该在周五之前提交申请的。

我本该在周五之前提交申请的。

I was supposed to submit the application by Friday.

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I was supposed to submit the application by Friday.

was 是 be 动词的过去式,与单数主语 I 连用。supposed 是 suppose 的过去分词,在 be supposed to 中构成固定搭配,并非被动语态。to 是不定式符号,后接动词原形。was supposed to 表示过去按计划被期望应当做某事。

在 App 中完整学习这张卡片

在 App 中学习