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