This verb follows the standard English past tense rule: simply add -ed to the base form.
Forecast is regular. It follows the Standard -ed rule.
Use past time markers: "Yesterday, she forecasted to the store."
No. Use "did not forecast" (not "did not forecasted").
The verb forecast follows the standard English past tense conjugation rule. When forming the past tense, forecast becomes forecasted. This follows the Standard -ed pattern, which is one of the most common conjugation rules in English.
Understanding why forecast becomes forecasted helps with spelling and pronunciation. This verb follows the standard English past tense rule: simply add -ed to the base form.
When using forecasted 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 forecasted to the store." The past tense form does not change based on the subject — I forecasted, you forecasted, he/she forecasted, we forecasted, they forecasted.