if,when和because都引导状语从句,它们的用法各是什么?

题目

if,when和because都引导状语从句,它们的用法各是什么?

答案

if 主要引导条件状语从句 If you are not too tied, let's go out for a walk. when 主要引导时间状语从句 When I was walking down the street I noticed a police car in front of number 37. Because 主要引导原因状语从句 I didn't go, because I was afraid. 问你班主任,让她给你详细的讲讲.还有你们最近怎么样啊?
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