1. With a coordinating conjunction:
* The hiker, lost and injured, implored the rescuers for help, and they rushed to his aid. (Uses the conjunction "and")
* The child desperately implored his parents to let him stay up late, but they insisted on a reasonable bedtime. (Uses the conjunction "but")
2. With a semicolon:
* The lawyer implored the jury to consider the mitigating circumstances; their verdict would determine the defendant's fate.
3. With a conjunctive adverb:
* The exhausted student implored his professor for an extension; however, the deadline remained firm. (Uses the conjunctive adverb "however")
* The dog implored its owner for a treat; moreover, it wagged its tail excitedly. (Uses the conjunctive adverb "moreover")
4. With a colon:
* The doctor had one final plea: he implored the patient to quit smoking for the sake of his health.
These are just a few examples. The key is to create two independent clauses that are related in meaning and use a conjunction or other punctuation mark to connect them.