| Presente (Present) "concoct" | I | concoct | |
| Presente continuo (Present Continuous) "concoct" | I | am concocting | |
| Pasado simple (Simple past) "concoct" | I | concocted | |
| Pasado continuo (Past Continuous) "concoct" | I | was concocting | |
| Presente perfecto (Present perfect) "concoct" | I | have concocted | |
| Presente perfecto continuo (Present perfect continuous) "concoct" | I | have been concocting | |
| Pasado perfecto (Past perfect) "concoct" | I | had concocted | |
| Pasado perfecto continuo (Past perfect continuous) "concoct" | I | had been concocting | |
| Futuro (Future) "concoct" | I | will concoct | |
| Futuro continuo (Future continuous) "concoct" | I | will be concocting | |
| Futuro perfecto (Future perfect) "concoct" | I | will have concocted | |
| Futuro perfecto continuo (Future perfect continuous) "concoct" | I | will have been concocting |