把这句翻译成条件状语从句的英语:没有你们的帮助,我们是不会完成这项工作的

We couldn't finish this task if you didn't offer us some help.

假如不用状语从句的话，可以说：Without your help, we can't complete this assignment.

We wouldn't finish the work if you didn't help us.

We couldn't finished the work if you didn'thelp us