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