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