This verb follows the standard English past tense rule: simply add -ed to the base form.
Expand is regular. It follows the Standard -ed rule.
Use past time markers: "Yesterday, she expanded to the store."
No. Use "did not expand" (not "did not expanded").
The verb expand follows the standard English past tense conjugation rule. When forming the past tense, expand becomes expanded. This follows the Standard -ed pattern, which is one of the most common conjugation rules in English.
Understanding why expand becomes expanded helps with spelling and pronunciation. This verb follows the standard English past tense rule: simply add -ed to the base form.
When using expanded 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 expanded to the store." The past tense form does not change based on the subject — I expanded, you expanded, he/she expanded, we expanded, they expanded.