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