"Her insuit coming with her modern grace."
I accept without hesitation the excellent correction of Collier's folio, and of Sidney Walker, infinite cunning. In Tr. and Cr. iii. 2, we read 'coming in dumbness,' where Pope made the proper correction cunning.
"You, that have turned off a first so noble wife,
May justly diet me."
As I can make little sense of 'diet,' I read deny.
"Do you not know he promised me marriage?"
The negative is required for both sense and metre.