Before四种常见句型before四种常见句型如下： (1) it will be+时间+ before 表示“还有多长时间”.或“要过多久才”。before 后面的句子用一般现在时。eg: Before后面加动词什么形式before后面加动词需要用动词ing形式，此时before作介词，介词后面一般都是名词。例句：you mustn't hang out before finishing your assignment.在完成任务之. It was just 3 days before the book was published.
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Official google search help center where you can find tips and tutorials on using google search and other answers to frequently asked questions. It was three months before he finished the. It will be 4 years before he graduates他.
Before long、long before和long ago的区别如下： 1.
It was 10 years before i left china. “it will be…before”和 “it was.before”的区别是什么？ 1 在 “it was + 一段时间 + before从句句型中，若主句是一般过去式，从句也是一般过去式时：① 若主句是肯定句,翻译成“过了多长时间之.
