Grammar

Jack and Jill are nouns.Went up the hill is a verb.Pale of water is a noun.

Ans 2. The sentence is in the past tense.

The passive construction 'impossible to be heard' is awkward and grammatically problematic. The active construction 'it was impossible to hear his speech' is much more natural and grammatically correct. This structure clearly places the impossibility on the act of hearing, which is what the sentence intends to convey.

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).

The word 'valiant' describes the quality of the soldier (brave/courageous). Adjectives modify nouns by describing their qualities. It's not a noun (the thing itself), adverb (modifies verbs), or preposition (shows relationships).

The word 'Though' connects two contrasting clauses: 'he was poor' and 'he was tenacious.' Conjunctions join clauses and show relationships between ideas. It's not an adverb, verb, or preposition.