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