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