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