Pups, like children, are individual so take responses with that in mind.
How long are you crating him?
Sounds like he may be trying, but unable to hold it. They do not like to mess where they sleep.
I'm home with my dogs, so it rarely takes more than a week or so for me to train them.
The biting should be easing.
How much exercise daily?
Sit and down may be slower, but if you're working multiple short sessions daily, he should be catching on.
How long are you crating him?
Sounds like he may be trying, but unable to hold it. They do not like to mess where they sleep.
I'm home with my dogs, so it rarely takes more than a week or so for me to train them.
The biting should be easing.
How much exercise daily?
Sit and down may be slower, but if you're working multiple short sessions daily, he should be catching on.