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