How to spell "leading a dog"? - briefly
The correct spelling of the phrase is "leading a dog." Both words are in their base form and correctly spelled.
How to spell "leading a dog"? - in detail
To spell "leading a dog," it is essential to understand the correct usage of both words in this context.
The word "leading" is a verb, and when used in this phrase, it refers to the action of guiding or directing the dog. The spelling of "leading" remains consistent regardless of its use as a gerund (a verb form ending in -ing). Therefore, it should be written as "leading," not "ledding" or any other variation.
The word "dog" is a noun and does not change its form based on the context in which it is used. It is always spelled as "dog," with no additional letters or changes required.
Putting these together, the correct spelling of the phrase is "leading a dog." This indicates that you are currently in the process of guiding or directing the dog. If you were to write this in the past tense, it would be "led a dog," but for the present continuous action, "leading a dog" is the accurate and preferred spelling.