Parts of Speech

Count on means to trust someone. 

Count against means to have a disadvantage in someone.

Count down means to think very eagerly about an event in future. 

Cover up/over means to cover something completely. 

Crack down means to prevent an illegal activity. 

Bangalore is a proper noun because it is the specific name of a city. Proper nouns always start with capital letters and name particular people, places, or things.

'None' functions as an indefinite pronoun in this sentence because it takes the place of a noun (referring to no person) and can function as the subject of the sentence.

'Bravo!' is an interjection because it expresses sudden emotion or approval and stands independently from the grammatical structure of the sentence. Interjections often end with exclamation marks.

'Five' is functioning as an adjective (specifically a numeral adjective) because it modifies the noun 'fingers' by telling us how many fingers there are. Adjectives describe or modify nouns.

'But' is a coordinating conjunction that connects two independent clauses ('he ran fast' and 'he missed the train'). Coordinating conjunctions join words, phrases, or clauses of equal grammatical rank.

'Mine' is a possessive pronoun that shows ownership without repeating the noun. It replaces 'my book' and functions independently as the subject complement. Possessive pronouns include mine, yours, his, hers, ours, theirs.

The word 'some' modifies the noun 'food' by indicating an unspecified quantity. Adjectives describe or modify nouns, which is exactly what 'some' does here. It's not a noun (person/place/thing), pronoun (replaces a noun), or adverb (modifies verbs/adjectives/adverbs).

The word 'went' is the past tense of the verb 'go,' showing an action performed by 'He.' Verbs express actions or states of being. It's not a noun (thing), pronoun (replaces noun), or adjective (describes noun).

The word 'certainly' modifies the verb phrase 'can do' by indicating how the action is performed. Adverbs modify verbs, adjectives, or other adverbs, often ending in -ly. It's not a noun, pronoun, or adjective.

The word 'and' connects two complete ideas: 'Birds fly' and 'fish swim.' Conjunctions join words, phrases, or clauses. It's not a pronoun (replaces nouns), adverb (modifies verbs), or preposition (shows relationships like time/place).