Dog is a noun meaning a particular animal. Thus, it can be used in the following possible sentences:
No. if you give the dog a name then capitalize that but not the word dog.
Here is a sentence with the word 'dog':The dog wagged its tail vigorously and barked in sheer bliss when it sensed my arrival.
aSexy dog
The boy befriended the stray dog.
That is a dog.
Despite facing many challenges, she held onto the hope that things would eventually get better.
Well you can use it in the sentence way for a dog.
A sentence for the word perambulate is this. "The dog was perambulating down the street."
the dog will migrant
I have a hologram of a dog.
He is my favorite dog.
The flashback was about when my dog died.