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