问题描述：
instead of doing sth
原句是：Instead of catching fish they catch old boots and rubbish.
改为：
They caught old boots and rubbish instead of catching fish.
把动词换为过去式,主句提前,
那用了过去式，意思表达是不是有点区别了呢？
原句是：Instead of catching fish they catch old boots and rubbish.
改为：
They caught old boots and rubbish instead of catching fish.
把动词换为过去式,主句提前,
那用了过去式，意思表达是不是有点区别了呢？
问题解答：
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