| Simple | Progressive | Perfect | Progressive |
| Present |
| I narrow |
| you narrow |
| he/she/it narrows |
| we narrow |
| you all narrow |
| they narrow |
|
| I am narrowing |
| you are narrowing |
| he/she/it is narrowing |
| we are narrowing |
| you all are narrowing |
| they are narrowing |
|
| I have narrowed |
| you have narrowed |
| he/she/it has narrowed |
| we have narrowed |
| you all have narrowed |
| they have narrowed |
|
| I have been narrowing |
| you have been narrowing |
| he/she/it has been narrowing |
| we have been narrowing |
| you all have been narrowing |
| they have been narrowing |
|
| Past |
| I narrowed |
| you narrowed |
| he/she/it narrowed |
| we narrowed |
| you all narrowed |
| they narrowed |
|
| I was narrowing |
| you were narrowing |
| he/she/it was narrowing |
| we were narrowing |
| you all were narrowing |
| they were narrowing |
|
| I had narrowed |
| you had narrowed |
| he/she/it had narrowed |
| we had narrowed |
| you all had narrowed |
| they had narrowed |
|
| I had been narrowing |
| you had been narrowing |
| he/she/it had been narrowing |
| we had been narrowing |
| you all had been narrowing |
| they had been narrowing |
|
| Future |
| I will narrow |
| you will narrow |
| he/she/it will narrow |
| we will narrow |
| you all will narrow |
| they will narrow |
|
| I will be narrowing |
| you will be narrowing |
| he/she/it will be narrowing |
| we are narrowing |
| you all will be narrowing |
| they will be narrowing |
|
| I will have narrowed |
| you will have narrowed |
| he/she/it will have narrowed |
| we will have narrowed |
| you all will have narrowed |
| they will have narrowed |
|
| I will have been narrowing |
| you will have been narrowing |
| he/she/it will have been narrowing |
| we will have been narrowing |
| you all will have been narrowing |
| they will have been narrowing |
|
