Tomorrow is adverb. Example: I have to go to school tomorrow. In this sentence, you are modifying the verb go (going when? -- tomorrow).
Tomorrow can be a noun, as well. Example: Tomorrow should be warmer.
The part of speech that the word my is used as is an adjective.
A suffix changes a word's part of speech. For example, the word 'happy' is an adjective. But when you add a suffix, which is an ending, it can change the part of speech. Happily is an adverb. Happiness is a noun.
for
it depends what word it is it could be any part of speech depending on the sentence
The word power is a noun. The plural form is powers.
"snow" is a verb.
Noun
The word phone is :a verb - as in "I will phone you tomorrow", anda noun - as in "Pick up the phone, it's ringing."
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.
Be is a verb. It's an auxiliary verb in "will be performed".
The part of speech for the word diplomacy is a noun.
The part of speech for the word civilian is English grammar.
H is a letter, not a word. To be a part of speech, it needs to be a word.
The word speech is a noun.
The part of speech for this particular word is a noun.
The word speech is a noun.