English verb 'to use' in Subjunctive Pluperfect - regular verbs conjugation

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Вопрос		Ответ
I [to use] 1st person singular, pluperfect, subjunctive начать обучение		I had used
you [to use] 2nd person singular, pluperfect, subjunctive начать обучение		you had used
he [to use] 3rd person singular, pluperfect, subjunctive начать обучение		he had used
she [to use] 3rd person singular, pluperfect, subjunctive начать обучение		she had used
it [to use] 3rd person singular, pluperfect, subjunctive начать обучение		it had used
we [to use] 1st person plural, pluperfect, subjunctive начать обучение		we had used
you [to use] 2nd person plural, pluperfect, subjunctive начать обучение		you had used
they [to use] 3rd person plural, pluperfect, subjunctive начать обучение		they had used