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