Connotation of a word has to do with the emotions and feelings it evokes in a reader/author. Having this in mind, a writer would want to be aware of the connotations of words so as B. to evoke a specific emotional state in the reader.
1. Single and sole
2. They create a playful mood
The infinitive phrase would be:
Freddie decided to give a treat to his dog.
I'm not sure if you want a phrase or a infinitive verb, but the verb would be:
to his
Explanation:
because home is more comfortable than anyway but boring too