The problem involves selecting the grammatically correct option from a list of sentences that describe an action in past tense. This requires understanding verb tense and its correct application.
The given options utilize different forms of the verb "swear" which follow the verb forms:
Base Form
Past Simple
Past Participle
swear
swore
sworn
Steps to determine the correct usage:
Identify the verb tense in the context: The sentence requires the past simple tense as it reports an action that has already taken place.
Apply the correct past simple form of "swear," which is "swore."
Check the structure for correct tense and meaning. The sentence should maintain logical and grammatical consistency, confirming an action that did not happen in the past.
Correct Structure:
"He swore that he had not stolen the bag."
This option accurately uses the past simple form "swore," making it the correct grammatical choice.