The word 'holiday' is a noun; a word for a special day of celebration or relaxation; a word for a thing.
The word holiday is primarily a noun. It can also be used as a verb.
The direct speech for "David said that he had been on holiday" is: "I have been on holiday," David said.
The word rather is an adverb. It specifies a choice or a preference. For example: I would rather be on holiday than at work.
The part of speech that the word my is used as is an adjective.
The part of speech for this particular word is a noun.
The part of speech for the word civilian is English grammar.
The part of speech for the word diplomacy is a noun.
H is a letter, not a word. To be a part of speech, it needs to be a word.
The part of speech for the word "boulevard" is a noun.
The word speech is a noun.
The part of speech for this particular word is a noun.
The word speech is a noun.