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