| Present "keep" | I | keep | |
| Present Continuous "keep" | I | am keeping | |
| Simple past "keep" | I | kept | |
| Past Continuous "keep" | I | was keeping | |
| Present perfect "keep" | I | have kept | |
| Present perfect continuous "keep" | I | have been keeping | |
| Past perfect "keep" | I | had kept | |
| Past perfect continuous "keep" | I | had been keeping | |
| Future "keep" | I | will keep | |
| Future continuous "keep" | I | will be keeping | |
| Future perfect "keep" | I | will have kept | |
| Future perfect continuous "keep" | I | will have been keeping |