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