| Simple | Progressive | Perfect | Progressive |
| Present |
| I improve |
| you improve |
| he/she/it improves |
| we improve |
| you all improve |
| they improve |
|
| I am improving |
| you are improving |
| he/she/it is improving |
| we are improving |
| you all are improving |
| they are improving |
|
| I have improved |
| you have improved |
| he/she/it has improved |
| we have improved |
| you all have improved |
| they have improved |
|
| I have been improving |
| you have been improving |
| he/she/it has been improving |
| we have been improving |
| you all have been improving |
| they have been improving |
|
| Past |
| I improved |
| you improved |
| he/she/it improved |
| we improved |
| you all improved |
| they improved |
|
| I was improving |
| you were improving |
| he/she/it was improving |
| we were improving |
| you all were improving |
| they were improving |
|
| I had improved |
| you had improved |
| he/she/it had improved |
| we had improved |
| you all had improved |
| they had improved |
|
| I had been improving |
| you had been improving |
| he/she/it had been improving |
| we had been improving |
| you all had been improving |
| they had been improving |
|
| Future |
| I will improve |
| you will improve |
| he/she/it will improve |
| we will improve |
| you all will improve |
| they will improve |
|
| I will be improving |
| you will be improving |
| he/she/it will be improving |
| we are improving |
| you all will be improving |
| they will be improving |
|
| I will have improved |
| you will have improved |
| he/she/it will have improved |
| we will have improved |
| you all will have improved |
| they will have improved |
|
| I will have been improving |
| you will have been improving |
| he/she/it will have been improving |
| we will have been improving |
| you all will have been improving |
| they will have been improving |
|
