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