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