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