Final answer:
The subject of this question is English. In English grammar, the past tense of a verb is used to indicate an action or state that has already happened. It is formed by adding the suffix -ed to regular verbs, such as 'walked' or 'jumped.' However, there are some irregular verbs that have different past tense forms, like 'feel' and 'felt', where the -ed suffix sounds like [t].
Step-by-step explanation:
The subject of this question is English. In English grammar, the past tense of a verb is used to indicate an action or state that has already happened. It is formed by adding the suffix -ed to regular verbs, such as 'walked' or 'jumped.' However, there are some irregular verbs that have different past tense forms, like 'feel' and 'felt', where the -ed suffix sounds like [t].