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