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