| Present "focus" | I | focus | |
| Present Continuous "focus" | I | am focusing | |
| Simple past "focus" | I | focused | |
| Past Continuous "focus" | I | was focusing | |
| Present perfect "focus" | I | have focused | |
| Present perfect continuous "focus" | I | have been focusing | |
| Past perfect "focus" | I | had focused | |
| Past perfect continuous "focus" | I | had been focusing | |
| Future "focus" | I | will focus | |
| Future continuous "focus" | I | will be focusing | |
| Future perfect "focus" | I | will have focused | |
| Future perfect continuous "focus" | I | will have been focusing |