Multiple choice What is the interrogative form of this sentence? "I read 4 books last year" It does not have interrogative form Did I readed 4 books last year? Did I read 4 books las year? Did I red 4 books las year? Reveal answer Fill a bubble to check yourself C Correct answer Explanation To form a question in the past simple, use the auxiliary 'did' followed by the base form of the verb. 'Read' (past tense) becomes 'read' (base form) in the question. Note that 'las' is a typo for 'last', but option C is the intended correct answer.