Should I feed or feed my dog? - briefly
Both "feed" and "feed my dog" are grammatically correct, but "feed my dog" is more specific and clear.
Should I feed or feed my dog? - in detail
The choice between "should I feed" and "feed my dog" hinges on the nuances of English grammar, particularly the distinction between the modal verb "should" and the infinitive form of the main verb "to feed."
When you ask "Should I feed...," you are inquiring about whether it is appropriate or advisable for you to provide food. This construction suggests that there might be some uncertainty or ambiguity surrounding the action, perhaps due to concerns about your dog's dietary needs, health issues, or specific feeding instructions from a veterinarian. For example: "Should I feed my dog before or after its walk?"
In contrast, the phrase "feed my dog" is more direct and definitive. It indicates that you have already decided to take action and are now specifying the subject of that action—your dog. This construction is often used when the focus is on the act itself rather than the decision-making process. For instance: "I will feed my dog its dinner at 6 PM."
In summary, "Should I feed" implies a question about the advisability or appropriateness of feeding, while "feed my dog" states a clear intention to perform the action. Understanding this difference helps in communicating more precisely and effectively.