re ▁based ▁on ▁five ▁pairs ▁of ▁met r ically ▁weak / strong ▁sy ll ab ic ▁positions . ▁The ▁ 1 3 th ▁line ▁exempl ifies ▁a ▁regular ▁i amb ic ▁pent am eter : ▁ ▁× ▁ ▁/ ▁ ▁× ▁▁▁ ▁/ ▁▁▁▁ ▁× ▁▁▁ ▁/ ▁▁▁▁▁ ▁× ▁▁ ▁/ ▁▁▁▁▁▁ ▁× ▁▁ ▁/ ▁ ▁O ▁c unning ▁Love ! ▁with ▁tears ▁thou ▁keep ' st ▁me ▁blind , ▁( 1 4 8 . 1 3 ) ▁/ ▁= ▁ ict us , ▁a ▁met r ically ▁strong ▁sy ll ab ic ▁position . ▁× ▁= ▁non ict us . ▁ ▁Line ▁ 2 ▁exhib its ▁a ▁right ward ▁movement ▁of ▁the ▁fourth ▁ ict us ▁( result ing ▁in ▁a ▁four - position ▁figure , ▁×   ×   /   /, ▁sometimes ▁referred ▁to ▁as ▁a ▁minor ▁ion ic ), ▁and ▁line ▁ 3 ▁has ▁a ▁mid - line ▁revers al ▁and ▁( pot entially ) ▁and ▁initial ▁revers al : ▁▁▁ ▁× ▁▁▁ ▁/ ▁▁▁ ▁× ▁ ▁/ ▁ ▁× ▁ ▁/ ▁ ▁× ▁▁▁▁ ▁× ▁▁▁▁ ▁/ ▁▁ ▁/ ▁ ▁Which ▁have ▁no ▁correspond ence ▁with ▁true ▁sight ! ▁ ▁/ ▁▁ ▁× ▁▁▁ ▁× ▁▁ ▁/ ▁▁▁▁▁ ▁/ ▁▁ ▁× ▁▁ ▁× ▁ ▁/ ▁▁▁ ▁× ▁▁▁▁ ▁/ ▁ ▁Or , ▁if ▁they ▁have , ▁where ▁is ▁my ▁jud g ement ▁fled , ▁( 1 4 8 . 2 - 3 ) ▁ ▁Initial ▁revers als ▁also ▁potentially ▁occur ▁in ▁lines ▁ 7 , ▁ 8 ,