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