| singular | plural |
| Infinitive | | |
| howl | |
| present simple | | |
| 1 | I howl | we howl |
| 2 | you howl | you howl |
| 3 | he/she/it howls | they howl |
| past simple | | |
| 1 | I howled | we howled |
| 2 | you howled | you howled |
| 3 | he/she/it howled | they howled |
| future simple | | |
| 1 | I will/shall howl | we will/shall howl |
| 2 | you will/shall howl | you will/shall howl |
| 3 | he/she/it will/shall howl | they will/shall howl |
| conditional simple | | |
| 1 | I would howl | we would howl |
| 2 | you would howl | you would howl |
| 3 | he/she/it would howl | they would howl |
| present continuous | | |
| 1 | I am howling | we are howling |
| 2 | you are howling | you are howling |
| 3 | he/she/it is howling | they are howling |
| past continuous | | |
| 1 | I was howling | we were howling |
| 2 | you were howling | you were howling |
| 3 | he/she/it was howling | they were howling |
| future continuous | | |
| 1 | I will be howling | we will be howling |
| 2 | you will be howling | you will be howling |
| 3 | he/she/it will be howling | they will be howling |
| conditional continuous | | |
| 1 | I would be howling | we would be howling |
| 2 | you would be howling | you would be howling |
| 3 | he/she/it would be howling | they would be howling |
| present perfect | | |
| 1 | I have howled | we have howled |
| 2 | you have howled | you have howled |
| 3 | he/she/it has howled | they have howled |
| past perfect | | |
| 1 | I had howled | we had howled |
| 2 | you had howled | you had howled |
| 3 | he/she/it had howled | they had howled |
| future perfect | | |
| 1 | I will have howled | we will have howled |
| 2 | you will have howled | you will have howled |
| 3 | he/she/it will have howled | they will have howled |
| conditional perfect | | |
| 1 | I would have howled | we would have howled |
| 2 | you would have howled | you would have howled |
| 3 | he/she/it would have howled | they would have howled |
