so, you should avoid punishing for toilet behavior in the house. it sounds like she really just doesn’t know the rules yet.
these two links are pretty similar and i’d read both. they should help.
https://lookaside.fbsbx.com/file/How_to_Housetrain_Any_Dog%20(1).pdf?token=AWzFzr8QX0C6GNFaOKVxlOKyjHpjo4l1GKKLvup9PqoNRBewfhYcPaW8epVfl7TD-hzvF2V2XyFxKavjepjUKq75rqsQH7ckQTKV-VOq-pItBQ
remember, be consistent. good luck. housebreaking is the biggest pain in the butt regardless of the age of the dog.
Hi there-
It sounds like your dog has developed some fears. A while ago I stumbled across this website: http://www.thebalancedcanine.com/
You may find it helpful. Best of luck!