| Present "forecast" | I | forecast | |
| Present Continuous "forecast" | I | am forecasting | |
| Simple past "forecast" | I | forecast; forecasted | |
| Past Continuous "forecast" | I | was forecasting | |
| Present perfect "forecast" | I | have forecast | |
| Present perfect continuous "forecast" | I | have been forecasting | |
| Past perfect "forecast" | I | had forecast | |
| Past perfect continuous "forecast" | I | had been forecasting | |
| Future "forecast" | I | will forecast | |
| Future continuous "forecast" | I | will be forecasting | |
| Future perfect "forecast" | I | will have forecast | |
| Future perfect continuous "forecast" | I | will have been forecasting |