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