He ran too slowly to catch the thief 改为同义句

有没有变化格式要求?否则有很多种变化形式,如：
= He didn't run fast/quickly enough to catch the thief.
= He ran so slowly that he didn't/couldn't catch the thief.
= He ran slowly so (that) he didn't/couldn't catch the thief.
注：/ 表示可以任意选用其一,（ ）表示其内部分可以省略不写.
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He ran so slowly that he couldn't catch the thief .
注：前后时态要一致。
加油！不明白再问！如果帮到你，请采纳，谢谢！

He ran so slowly that he can't catch the thief.
=He couldn't run quickly enough to catch the thief.

he ran so slowly that he can not catch the thief