Answer:
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To annoy, irritate, or upset someone.
Correct, the sentence is already correct. Had attended
Past perfect tense. Had + past perfect. Present perfect tenses have the structure of: has/have + past participle of the verb. Past participles usually end in -ed, except for the irregular verbs.
<span>In comparison, present tense of verbs usually comes with the morpheme -s or -es. Sometimes, they retain the base form. This depends on the type of the verb. Past tense of verbs usually end in -d or -ed, except for irregular verbs. Lastly, past perfect tenses usually has the structure: had + past participle of the verb. </span>