"Food Snob" > wrote in message
>> > Proper grammar assure good communication. Kids doing their "thing" is
>> > one
>> > of the reasons our education system has gone to crap.
>>
>> goonie goo goo
>
> Did no one notice the subject-verb agreement issue?
> Grammar is singular, and requires assures, not "assure."

Correct. It was a typo that caused the error