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