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