D. Error Analysis (Agak Sulit O 1. She don't like English. 2. Does they go to school on Monday? 3. He do his homework at night.

D. Error Analysis

1. She doesn't like English. (The subject 'She' is 3rd person singular, so 'doesn't' should be used instead of 'don't').
2. Do they go to school on Monday? (The subject 'they' is plural, so 'Do' should be used instead of 'Does').
3. He does his homework at night. (The subject 'He' is 3rd person singular, so 'does' should be used instead of 'do' in an affirmative sentence).

Ответ: 1. doesn't, 2. Do, 3. does