This verb follows the standard English past tense rule: simply add -ed to the base form.
Unstrain is regular. It follows the Standard -ed rule.
Use past time markers: "Yesterday, she unstrained to the store."
No. Use "did not unstrain" (not "did not unstrained").
The verb unstrain follows the standard English past tense conjugation rule. When forming the past tense, unstrain becomes unstrained. This follows the Standard -ed pattern, which is one of the most common conjugation rules in English.
Understanding why unstrain becomes unstrained helps with spelling and pronunciation. This verb follows the standard English past tense rule: simply add -ed to the base form.
When using unstrained 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 unstrained to the store." The past tense form does not change based on the subject — I unstrained, you unstrained, he/she unstrained, we unstrained, they unstrained.