it depends what word it is it could be any part of speech depending on the sentence
Laugh is a noun (a laugh) and a verb (to laugh).
All subjects are part of speech for they are all nouns.
a sentence is a part of speech
Him is a pronoun.
"Laugh" is the subject of the sentence, which in normal word order ( and proper sequence of tenses ) is: What you loved most about her was her laugh.Her laugh is what she did when she was happy and amused - as in Ha, Ha, HaGrammatically it is a noun
"Laugh" here is a noun.The clues are:(i)The grammar: "her laugh" is like "her handbag", "her home", or "her personality". Also "what you loved" refers to a noun, and so when you get to "was" you expect a noun to be coming soon.(ii)The meaning: In this sentence nobody is laughing, so "laugh" cannot be a verb here. Rather, we are talking about a laugh, or perhaps the laugh that she had. The idea is of a thing, an abstract one rather than a concrete one that you can pick up.
"When" is an adverb when it begins a sentence.
it depends what word it is it could be any part of speech depending on the sentence
In a sentence, the word "action" can function as a noun.
Laugh is a noun (a laugh) and a verb (to laugh).
The part of speech for "gliding" is a gerund, which functions as a noun in a sentence.
The part of speech of "correct" in this sentence is an adjective.
All subjects are part of speech for they are all nouns.
The part of speech that answers "what" or "whom" in a sentence is a pronoun. Pronouns are words like "he," "she," "it," "they," "who," and "what" that replace nouns in a sentence.
you
Pronoun