| I | substitute |
| you | substitute |
| he/she/it | substitutes |
| we | substitute |
| you | substitute |
| they | substitute |
| I | have substituted |
| you | have substituted |
| he/she/it | has substituted |
| we | have substituted |
| you | have substituted |
| they | have substituted |
| I | substituted |
| you | substituted |
| he/she/it | substituted |
| we | substituted |
| you | substituted |
| they | substituted |
| I | had substituted |
| you | had substituted |
| he/she/it | had substituted |
| we | had substituted |
| you | had substituted |
| they | had substituted |
| I | will substitute |
| you | will substitute |
| he/she/it | will substitute |
| we | will substitute |
| you | will substitute |
| they | will substitute |
| I | will have substituted |
| you | will have substituted |
| he/she/it | will have substituted |
| we | will have substituted |
| you | will have substituted |
| they | will have substituted |
| I | am substituting |
| you | are substituting |
| he/she/it | is substituting |
| we | are substituting |
| you | are substituting |
| they | are substituting |
| I | have been substituting |
| you | have been substituting |
| he/she/it | has been substituting |
| we | have been substituting |
| you | have been substituting |
| they | have been substituting |
| I | was substituting |
| you | were substituting |
| he/she/it | was substituting |
| we | were substituting |
| you | were substituting |
| they | were substituting |
| I | had been substituting |
| you | had been substituting |
| he/she/it | had been substituting |
| we | had been substituting |
| you | had been substituting |
| they | had been substituting |
| I | will be substituting |
| you | will be substituting |
| he/she/it | will be substituting |
| we | will be substituting |
| you | will be substituting |
| they | will be substituting |
| I | will have been substituting |
| you | will have been substituting |
| he/she/it | will have been substituting |
| we | will have been substituting |
| you | will have been substituting |
| they | will have been substituting |
| I | would substitute |
| you | would substitute |
| he/she/it | would substitute |
| we | would substitute |
| you | would substitute |
| they | would substitute |
| I | would have substituted |
| you | would have substituted |
| he/she/it | would have substituted |
| we | would have substituted |
| you | would have substituted |
| they | would have substituted |
| I | would be substituting |
| you | would be substituting |
| he/she/it | would be substituting |
| we | would be substituting |
| you | would be substituting |
| they | would be substituting |
| I | would have been substituting |
| you | would have been substituting |
| he/she/it | would have been substituting |
| we | would have been substituting |
| you | would have been substituting |
| they | would have been substituting |
| You | substitute |
| we | Let's substitute |
| You | substitute |