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