Use persist in a sentence?

I will persist until this is done.

The pain will persist if I don't take the medication.If you persist with that yelling, we'll have to talk later.

Despite the lack of evidence, she continues to persist in her belief in flying saucers.

'Would you like this candy or these desserts to follow the meal?'This is being used as an indicator for a singular item, and these is being used as an indicator for multiple items.See the related...