1. Introduction to Comparisons with ‘Than’ and ‘As’

• Than and as are used to make comparisons between two or more things or people.
• When using pronouns in these comparisons, it’s essential to choose the correct form to maintain grammatical accuracy.

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2. Using Pronouns After ‘Than’

• Pronouns after ‘than’ should agree with the comparison being made.
• The pronoun used must match the function it serves in the sentence, whether as a subject or an object.

Examples:

• Subject Pronouns:
  When the pronoun acts as the subject in the second clause, use the subject pronoun.
• Correct: She is taller than I (am tall).
• Incorrect: She is taller than me (am tall).
• Object Pronouns:
  When the pronoun serves as an object, use the object pronoun.
• Correct: He is smarter than him (in math).
• Incorrect: He is smarter than he (in math).

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3. Using Pronouns After ‘As’

• Pronouns after ‘as’ are often used in comparisons that describe equality or similarity.
• The same rule applies; ensure that the pronoun used fits the grammatical role it plays.

Examples:

• Subject Pronouns:
  When the pronoun acts as the subject, use the subject pronoun.
• Correct: She sings as well as I (sing).
• Incorrect: She sings as well as me (sing).
• Object Pronouns:
  When the pronoun serves as an object, use the object pronoun.
• Correct: He treats me as well as he (treats me).
• Incorrect: He treats me as well as him (treats me).

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4. Understanding Context in Comparisons

• Clarifying Context:
  Sometimes, the context of the sentence will dictate whether to use a subject or object pronoun.
• Example:
  • Correct: “He plays the piano better than I (do).” (Subject pronoun)
  • Correct: “The teacher prefers her to be as involved as me (to be).” (Object pronoun)

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5. Avoiding Common Errors

• Misuse of Pronouns:
  A frequent error is using the wrong pronoun after than and as.
• Remember: To determine which pronoun to use, complete the sentence mentally or in writing to see if the sentence remains grammatically correct.