'Mayest' in the Bible

and it shall be, that in the morning, as soon as the sun is up, thou shalt rise early, and rush upon the city; and, behold, when he and the people that are with him come out against thee, then mayest thou do to them as thou shalt find occasion.

And the elders of Gilead said unto Jephthah, Therefore are we turned again to thee now, that thou mayest go with us, and fight with the children of Ammon; and thou shalt be our head over all the inhabitants of Gilead.

And when the man rose up to depart, he, and his concubine, and his servant, his father-in-law, the damsel's father, said unto him, Behold, now the day draweth toward evening, I pray you tarry all night: behold, the day groweth to an end, lodge here, that thy heart may be merry; and to-morrow get you early on your way, that thou mayest go home.