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