What effect does the end rhyme scheme abac have on the poem

Apexleaming. com/public/activity/1/4/3/assessmen tl143 test (cst). drama shakespeare's macbethread these lines from the playlady m. out, spot out, i say! --one: iwo: why, then'tis time to dot.- is murky! , my lord, fiel a soldier, and afеard? what need we fear who knows it, when nonecan call our power to account? - yet who would havethought the old man to have had so much in him? how does this passage add tension to the playo a macbeth knows that lady macbeth knows he has seen a ghostb. the audience knows that lady macbeth is unhappy in hermamage before macbeth knows this informationoc. macbeth knows that lady macbeth thinks they should moredeodle tohcether secretd. the audience knows that lady macbeth is losing her mind andconceng before macbet xrows this information