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