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