A.T. Robertson Commentary Luke 14:9

"and he that bade thee and him shall come and say to thee, Give this man place; and then thou shalt begin with shame to take the lowest place." — Luke 14:9 (ASV)

And say (κα ερε). Changes to future indicative with μη ποτε as in 12:58.Shalt begin with shame (αρξη μετα αισχυνης). The moment of embarrassment.

To take the lowest place (τον εσχατον τοπον κατεχειν). To hold down the lowest place, all the intermediate ones being taken.