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