What is the past tense of the word "do"? English Grammar Tenses Past 1 Answer Mia Apr 18, 2018 Did Explanation: The past tense of the word "do" is "did". Answer link Related questions Is past perfect the same as past participle? What is the difference between past perfect tense and past perfect continuous tense? What is the difference between past simple and past continuous tenses? What is the past tense and perfect tense? What is the difference between simple past and past participle? What are examples of sentences using simple past? How do you change the sentences into present... What is the past tense for the word "learn"? What is the past tense of the word "cost"? What is the past tense of the word "hurt"? What is the past tense of the word "regret"? See all questions in Past Impact of this question 13493 views around the world You can reuse this answer Creative Commons License