Answer:
Ross offered her a cup of tea. -- objective pronoun
Janet thanked her cousin for the tea. -- possessive pronoun
She poured the tea and took a sip. --- subjective pronoun
Explanation:
Pronouns can be of objective case pronoun, subjective case pronoun and possessive case pronoun.
Objective case pronoun
Objective pronoun is used in the sentence where something is being done to someone or given to someone. For example him, it, her, us, etc.
Ross offered her a cup of tea. -- objective pronoun
Possessive case pronoun
The possessive pronouns are : her, him, mine, my, yours, hers, his, etc. A possessive pronoun shows possessiveness in the sentence.
Janet thanked her cousin for the tea. -- possessive pronoun
Subjective case pronoun
A subjective pronoun is used when it is used as a subject in the sentence. The subjective pronouns are I, he, you, she, it, we, etc.
She poured the tea and took a sip. --- subjective pronoun
