Sunil worked before he went out. Thus the past tense form of work is worked.
What is the past tense form?
This refers to events that have already happened in the past.
The primary way to change a word into it's past tense form is to add 'ed' behind it.
For example: Like (Present) Liked (Past)
See the link below for more about past tense form:
https://brainly.com/question/1390009
