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