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