| Present "fit" | I | fit | |
| Present Continuous "fit" | I | am fitting | |
| Simple past "fit" | I | fitted | |
| Past Continuous "fit" | I | was fitting | |
| Present perfect "fit" | I | have fitted | |
| Present perfect continuous "fit" | I | have been fitting | |
| Past perfect "fit" | I | had fitted | |
| Past perfect continuous "fit" | I | had been fitting | |
| Future "fit" | I | will fit | |
| Future continuous "fit" | I | will be fitting | |
| Future perfect "fit" | I | will have fitted | |
| Future perfect continuous "fit" | I | will have been fitting |