The structure of the past tense varies depending on the regularity of the verb. Here are the structures for regular and irregular verbs:
Regular Verbs:
To form the past tense of regular verbs, simply add -ed to the base form of the verb.
Example:
Base form: walk
Past tense: walked
Irregular Verbs:
Irregular verbs have their own unique past tense forms that do not follow any specific pattern.
Example:
Base form: eat
Past tense: ate
Here's a summary of the structure of the past tense:
Regular verbs:
Base form + -ed
Irregular verbs:
Unique past tense form
Remember that using the correct past tense form is important to convey the right meaning in a sentence.