Question

we required the latest material change into simple past form​

Answer 1

Explanation:

latest materials required by us

Answer 2

Answer:

Latest materials were required by us.

Explanation:  

Simple past, also called as Past Simple Tense, is used for actions that happened in the past either given at a time phrase or at a specific time. Simple Past is usually formed in a sentence by adding ed, d or ied with the verb base form. Many irregular verbs are there in English which takes up a completely different form when transformed into Past tense.