| Simple | Progressive | Perfect | Progressive |
| Present |
| I substitute |
| you substitute |
| he/she/it substitutes |
| we substitute |
| you all substitute |
| they substitute |
|
| I am substituting |
| you are substituting |
| he/she/it is substituting |
| we are substituting |
| you all are substituting |
| they are substituting |
|
| I have substituted |
| you have substituted |
| he/she/it has substituted |
| we have substituted |
| you all have substituted |
| they have substituted |
|
| I have been substituting |
| you have been substituting |
| he/she/it has been substituting |
| we have been substituting |
| you all have been substituting |
| they have been substituting |
|
| Past |
| I substituted |
| you substituted |
| he/she/it substituted |
| we substituted |
| you all substituted |
| they substituted |
|
| I was substituting |
| you were substituting |
| he/she/it was substituting |
| we were substituting |
| you all were substituting |
| they were substituting |
|
| I had substituted |
| you had substituted |
| he/she/it had substituted |
| we had substituted |
| you all had substituted |
| they had substituted |
|
| I had been substituting |
| you had been substituting |
| he/she/it had been substituting |
| we had been substituting |
| you all had been substituting |
| they had been substituting |
|
| Future |
| I will substitute |
| you will substitute |
| he/she/it will substitute |
| we will substitute |
| you all will substitute |
| they will substitute |
|
| I will be substituting |
| you will be substituting |
| he/she/it will be substituting |
| we are substituting |
| you all will be substituting |
| they will be substituting |
|
| I will have substituted |
| you will have substituted |
| he/she/it will have substituted |
| we will have substituted |
| you all will have substituted |
| they will have substituted |
|
| I will have been substituting |
| you will have been substituting |
| he/she/it will have been substituting |
| we will have been substituting |
| you all will have been substituting |
| they will have been substituting |
|
