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