Verbs ending in a consonant followed by -y change the -y to -ied in the past tense form.
Nasty is regular. It follows the -ied Conversion rule.
Use past time markers: "Yesterday, she nastied to the store."
No. Use "did not nasty" (not "did not nastied").
The verb nasty follows the standard English past tense conjugation rule. When forming the past tense, nasty becomes nastied. This follows the -ied Conversion pattern, which is one of the most common conjugation rules in English.
Understanding why nasty becomes nastied helps with spelling and pronunciation. Verbs ending in a consonant followed by -y change the -y to -ied in the past tense form.
When using nastied in writing, remember that it functions as a past tense verb and typically appears with time markers like yesterday, last week, or ago. For example: "Yesterday, she nastied to the store." The past tense form does not change based on the subject — I nastied, you nastied, he/she nastied, we nastied, they nastied.