| I | titter |
| you | titter |
| he/she/it | titters |
| we | titter |
| you | titter |
| they | titter |
| I | have tittered |
| you | have tittered |
| he/she/it | has tittered |
| we | have tittered |
| you | have tittered |
| they | have tittered |
| I | tittered |
| you | tittered |
| he/she/it | tittered |
| we | tittered |
| you | tittered |
| they | tittered |
| I | had tittered |
| you | had tittered |
| he/she/it | had tittered |
| we | had tittered |
| you | had tittered |
| they | had tittered |
| I | will titter |
| you | will titter |
| he/she/it | will titter |
| we | will titter |
| you | will titter |
| they | will titter |
| I | will have tittered |
| you | will have tittered |
| he/she/it | will have tittered |
| we | will have tittered |
| you | will have tittered |
| they | will have tittered |
| I | am tittering |
| you | are tittering |
| he/she/it | is tittering |
| we | are tittering |
| you | are tittering |
| they | are tittering |
| I | have been tittering |
| you | have been tittering |
| he/she/it | has been tittering |
| we | have been tittering |
| you | have been tittering |
| they | have been tittering |
| I | was tittering |
| you | were tittering |
| he/she/it | was tittering |
| we | were tittering |
| you | were tittering |
| they | were tittering |
| I | had been tittering |
| you | had been tittering |
| he/she/it | had been tittering |
| we | had been tittering |
| you | had been tittering |
| they | had been tittering |
| I | will be tittering |
| you | will be tittering |
| he/she/it | will be tittering |
| we | will be tittering |
| you | will be tittering |
| they | will be tittering |
| I | will have been tittering |
| you | will have been tittering |
| he/she/it | will have been tittering |
| we | will have been tittering |
| you | will have been tittering |
| they | will have been tittering |
| I | would titter |
| you | would titter |
| he/she/it | would titter |
| we | would titter |
| you | would titter |
| they | would titter |
| I | would have tittered |
| you | would have tittered |
| he/she/it | would have tittered |
| we | would have tittered |
| you | would have tittered |
| they | would have tittered |
| I | would be tittering |
| you | would be tittering |
| he/she/it | would be tittering |
| we | would be tittering |
| you | would be tittering |
| they | would be tittering |
| I | would have been tittering |
| you | would have been tittering |
| he/she/it | would have been tittering |
| we | would have been tittering |
| you | would have been tittering |
| they | would have been tittering |
| You | titter |
| we | Let's titter |
| You | titter |