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