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