Every time引导的从句，可以放在主语主句之前，也可以放在主句之后。例如:
1、Every time he bats an eyelid， every time his heart takes a pumping stroke， cells must provide energy.
每当他眨一眨眼睛，每当他的'心脏跳动一下，细胞都必须提供能量。
2、Every time I catch a cold， I have a pain in my back.
每回感冒，我的背都痛。
3、Every time I traveled by boat， I got seasick.
每次坐船旅行，我都晕船。
Every time这个短语表示每次，可以做连词，引导一个时间状语从句，Every time引导的从句，可以放在主语主句之前，也可以放在主句之后。例如，Every time they see me， they always ask the same question.每次他们见到我，总是问相同的问题。
She is always there every time I have difficulty in learning english.