Final answer:
The past tense of 'eat' is 'ate'. This is used when talking about something that has already happened. An example of its usage is: 'I ate breakfast this morning'.
Step-by-step explanation:
The past tense form of the verb 'eat' is 'ate'. This means that if you're talking about something that happened before now, you would use 'ate'. For example, 'I ate breakfast this morning' is a correct usage of the past tense verb 'ate', which comes from the base form 'eat'.
Learn more about Past Tense