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