Present
| I | substitute |
| You | substitute |
| She | substitutes |
| We | substitute |
| They | substitute |
Past
| I | substituted |
| You | substituted |
| She | substituted |
| We | substituted |
| They | substituted |
Perfect
| I | have | substituted |
| You | have | substituted |
| She | has | substituted |
| We | have | substituted |
| They | have | substituted |
Future
| I | will | substitute |
| You | will | substitute |
| She | will | substitute |
| We | will | substitute |
| They | will | substitute |
Past Perfect
| I | had | substituted |
| You | had | substituted |
| She | had | substituted |
| We | had | substituted |
| They | had | substituted |
Future Perfect
| I | will | have | substituted |
| You | will | have | substituted |
| She | will | have | substituted |
| We | will | have | substituted |
| They | will | have | substituted |
Present - Conditional
| I | would | substitute |
| You | would | substitute |
| She | would | substitute |
| We | would | substitute |
| They | would | substitute |
Perfect - Conditional
| I | would | have | substituted |
| You | would | have | substituted |
| She | would | have | substituted |
| We | would | have | substituted |
| They | would | have | substituted |