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