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