What is the past tense and past participle of "cast"? For example: Substances can be (cast) to develop new materials, English Grammar Tenses Past 1 Answer Daniel L. Apr 2, 2016 All 3 forms of this ver5b are the same. Explanation: The verb "cast" has the same forms in infinitive, Past Simple and Past Participle. Other such verbs can be for example: cost, hurt, cut. So the correct sentence is: Substances can be cast to develop new materials. 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 7089 views around the world You can reuse this answer Creative Commons License