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