| Simple | Progressive | Perfect | Progressive |
| Present |
| I develop |
| you develop |
| he/she/it develops |
| we develop |
| you all develop |
| they develop |
|
| I am developing |
| you are developing |
| he/she/it is developing |
| we are developing |
| you all are developing |
| they are developing |
|
| I have developed |
| you have developed |
| he/she/it has developed |
| we have developed |
| you all have developed |
| they have developed |
|
| I have been developing |
| you have been developing |
| he/she/it has been developing |
| we have been developing |
| you all have been developing |
| they have been developing |
|
| Past |
| I developed |
| you developed |
| he/she/it developed |
| we developed |
| you all developed |
| they developed |
|
| I was developing |
| you were developing |
| he/she/it was developing |
| we were developing |
| you all were developing |
| they were developing |
|
| I had developed |
| you had developed |
| he/she/it had developed |
| we had developed |
| you all had developed |
| they had developed |
|
| I had been developing |
| you had been developing |
| he/she/it had been developing |
| we had been developing |
| you all had been developing |
| they had been developing |
|
| Future |
| I will develop |
| you will develop |
| he/she/it will develop |
| we will develop |
| you all will develop |
| they will develop |
|
| I will be developing |
| you will be developing |
| he/she/it will be developing |
| we are developing |
| you all will be developing |
| they will be developing |
|
| I will have developed |
| you will have developed |
| he/she/it will have developed |
| we will have developed |
| you all will have developed |
| they will have developed |
|
| I will have been developing |
| you will have been developing |
| he/she/it will have been developing |
| we will have been developing |
| you all will have been developing |
| they will have been developing |
|
