It wasn't long before和 It won't be long before的区别

问题描述:

It wasn't long before和 It won't be long before的区别
It wasn't long before.和 It won't be long before...的区别
举例儿说明
句意有什么不同?/举例说明呐
这样看来感觉没啥区别嘛。

it wasn't long before i found a job.---before后接过去时.表示我没花多少时间就找到了工作.it won't be long before our contry becomes a developed country._____before 后接现在时.表示我们国家很快就会成为一...