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