The words "on the outside" are three different parts of speech.
on: preposition
the: article
outside: noun
External is an adjective.
It is an adverb modifying the verb (playing).
The word gate is a noun. It is a door-like structure outside of a house which usually encloses the garden.
part of speech
Adjective
What part of speech is thaw
Adverb
It is an adverb modifying the verb (playing).
What's the part of speech of the word outside
If used in "they went back outside" it is an adverb modifying went.If used in "he is back outside now" it is a predicate adjective.
It may be a noun (the outside of a ball) adjective (outside restroom) adverb (went outside) preposition (outside the house)
The word outward is an adjective. It means to be located towards the outside.
Exterior can be an adjective and a noun. Adjective: Relating to outside parts. Noun: The outside parts.
The word gate is a noun. It is a door-like structure outside of a house which usually encloses the garden.
part of speech
The part of speech for this particular word is a noun.
adverb
what part of speech is work