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