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