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