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