He tries to correct the mistake by using the flower on Demetrius, but this now means that both Lysander and Demetrius love Helena. The lovers squabble over this new situation and so Oberon must try and right his servant's wrongs once and for all.
Answer:Rule 1 : If the reporting verb is in the present or future form, then there will be no change in reported speech.
Rule 2 : If the reporting verb is in the past form, then the verb in the reported speech is changed into the corresponding past tense .
Explanation:Hope that helps