Present
| I | curdle |
| You | curdle |
| She | curdles |
| We | curdle |
| They | curdle |
Past
| I | curdled |
| You | curdled |
| She | curdled |
| We | curdled |
| They | curdled |
Perfect
| I | have | curdled |
| You | have | curdled |
| She | has | curdled |
| We | have | curdled |
| They | have | curdled |
Future
| I | will | curdle |
| You | will | curdle |
| She | will | curdle |
| We | will | curdle |
| They | will | curdle |
Past Perfect
| I | had | curdled |
| You | had | curdled |
| She | had | curdled |
| We | had | curdled |
| They | had | curdled |
Future Perfect
| I | will | have | curdled |
| You | will | have | curdled |
| She | will | have | curdled |
| We | will | have | curdled |
| They | will | have | curdled |
Present - Conditional
| I | would | curdle |
| You | would | curdle |
| She | would | curdle |
| We | would | curdle |
| They | would | curdle |
Perfect - Conditional
| I | would | have | curdled |
| You | would | have | curdled |
| She | would | have | curdled |
| We | would | have | curdled |
| They | would | have | curdled |