This verb follows the standard English past tense rule: simply add -ed to the base form.
If is regular. It follows the Standard -ed rule.
Use past time markers: "Yesterday, she ifed to the store."
No. Use "did not if" (not "did not ifed").
The verb if follows the standard English past tense conjugation rule. When forming the past tense, if becomes ifed. This follows the Standard -ed pattern, which is one of the most common conjugation rules in English.
Understanding why if becomes ifed helps with spelling and pronunciation. This verb follows the standard English past tense rule: simply add -ed to the base form.
When using ifed 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 ifed to the store." The past tense form does not change based on the subject — I ifed, you ifed, he/she ifed, we ifed, they ifed.