Verbs ending in a consonant followed by -y change the -y to -ied in the past tense form.
Deep-fat-fry is regular. It follows the -ied Conversion rule.
Use past time markers: "Yesterday, she deep-fat-fried to the store."
No. Use "did not deep-fat-fry" (not "did not deep-fat-fried").
The verb deep-fat-fry follows the standard English past tense conjugation rule. When forming the past tense, deep-fat-fry becomes deep-fat-fried. This follows the -ied Conversion pattern, which is one of the most common conjugation rules in English.
Understanding why deep-fat-fry becomes deep-fat-fried 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 deep-fat-fried 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 deep-fat-fried to the store." The past tense form does not change based on the subject — I deep-fat-fried, you deep-fat-fried, he/she deep-fat-fried, we deep-fat-fried, they deep-fat-fried.