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