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