| I | quack |
| you | quack |
| he/she/it | quacks |
| we | quack |
| you | quack |
| they | quack |
| I | have quacked |
| you | have quacked |
| he/she/it | has quacked |
| we | have quacked |
| you | have quacked |
| they | have quacked |
| I | quacked |
| you | quacked |
| he/she/it | quacked |
| we | quacked |
| you | quacked |
| they | quacked |
| I | had quacked |
| you | had quacked |
| he/she/it | had quacked |
| we | had quacked |
| you | had quacked |
| they | had quacked |
| I | will quack |
| you | will quack |
| he/she/it | will quack |
| we | will quack |
| you | will quack |
| they | will quack |
| I | will have quacked |
| you | will have quacked |
| he/she/it | will have quacked |
| we | will have quacked |
| you | will have quacked |
| they | will have quacked |
| I | am quacking |
| you | are quacking |
| he/she/it | is quacking |
| we | are quacking |
| you | are quacking |
| they | are quacking |
| I | have been quacking |
| you | have been quacking |
| he/she/it | has been quacking |
| we | have been quacking |
| you | have been quacking |
| they | have been quacking |
| I | was quacking |
| you | were quacking |
| he/she/it | was quacking |
| we | were quacking |
| you | were quacking |
| they | were quacking |
| I | had been quacking |
| you | had been quacking |
| he/she/it | had been quacking |
| we | had been quacking |
| you | had been quacking |
| they | had been quacking |
| I | will be quacking |
| you | will be quacking |
| he/she/it | will be quacking |
| we | will be quacking |
| you | will be quacking |
| they | will be quacking |
| I | will have been quacking |
| you | will have been quacking |
| he/she/it | will have been quacking |
| we | will have been quacking |
| you | will have been quacking |
| they | will have been quacking |
| I | would quack |
| you | would quack |
| he/she/it | would quack |
| we | would quack |
| you | would quack |
| they | would quack |
| I | would have quacked |
| you | would have quacked |
| he/she/it | would have quacked |
| we | would have quacked |
| you | would have quacked |
| they | would have quacked |
| I | would be quacking |
| you | would be quacking |
| he/she/it | would be quacking |
| we | would be quacking |
| you | would be quacking |
| they | would be quacking |
| I | would have been quacking |
| you | would have been quacking |
| he/she/it | would have been quacking |
| we | would have been quacking |
| you | would have been quacking |
| they | would have been quacking |
| You | quack |
| we | Let's quack |
| You | quack |