Rice ____ in the Mekong Delta.
- A. is grown(correct answer)
- B. are grown
- C. is grow
- D. grown
Why: Rice is uncountable, so is. Then the past participle: grown.
B114 questions · Intermediate · Passive Voice and Causatives
Is made or was made? Practise the passive with am / is / are and was / were + past participle, when to add by, negatives, questions and verbs like happen that have no passive. Answers and short explanations included.

1.Rice ____ in the Mekong Delta.
Why: Rice is uncountable, so is. Then the past participle: grown.
2.My bag ____ at the airport last night.
Why: Last night is past, and the bag didn't search itself: was searched.
3.Our guests ____ at seven.
Why: Arrive has no object, so it has no passive.
How to form the passive with am / is / are and was / were + past participle, when to add by, negatives and questions, and verbs that have no passive.