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