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