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