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