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