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