Verbs ending in -e simply add -d to form the past tense. This is the most straightforward regular rule.
Phenotype is regular. It follows the -d Addition rule.
Use past time markers: "Yesterday, she phenotyped to the store."
No. Use "did not phenotype" (not "did not phenotyped").
The verb phenotype follows the standard English past tense conjugation rule. When forming the past tense, phenotype becomes phenotyped. This follows the -d Addition pattern, which is one of the most common conjugation rules in English.
Understanding why phenotype becomes phenotyped helps with spelling and pronunciation. Verbs ending in -e simply add -d to form the past tense. This is the most straightforward regular rule.
When using phenotyped 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 phenotyped to the store." The past tense form does not change based on the subject — I phenotyped, you phenotyped, he/she phenotyped, we phenotyped, they phenotyped.