What's the difference between 'aggravated' and 'aggravate'?

[rich7]

I wonder if the verb highlighted is correct in that tense?

Manager Jack McKeon is cautious on how to deal with the blister, because in the past Beckett has returned about three weeks after going on the DL only to aggravated the blister again.

Is this a kind of style or just a typo?
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I should have been born in the USA.
I've got this thing about America.

[Alan]

I reckon it's a misprint for the infinitive.
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English as a Second Language
You can read my ESL story Subjunctive

[rich7]

Thanks Alan, I thought so too....
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I should have been born in the USA.
I've got this thing about America.