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