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