English verb conjugation
TO QUACK
Regular verb: quack - quacked - quacked
Present | Present continuous | Preterite | Preterite continuous |
| don't I quack? don't you quack? doesn't he quack? don't we quack? don't you quack? don't they quack? | am I not quacking? aren't you quacking? isn't he quacking? aren't we quacking? aren't you quacking? aren't they quacking? | didn't I quack? didn't you quack? didn't he quack? didn't we quack? didn't you quack? didn't they quack? | wasn't I quacking? weren't you quacking? wasn't he quacking? weren't we quacking? weren't you quacking? weren't they quacking? |
Present perfect | Present perfect continuous | Pluperfect | Pluperfect continuous |
| haven't I quacked? haven't you quacked? hasn't he quacked? haven't we quacked? haven't you quacked? haven't they quacked? | haven't I been quacking? haven't you been quacking? hasn't he been quacking? haven't we been quacking? haven't you been quacking? haven't they been quacking? | hadn't I quacked? hadn't you quacked? hadn't he quacked? hadn't we quacked? hadn't you quacked? hadn't they quacked? | hadn't I been quacking? hadn't you been quacking? hadn't he been quacking? hadn't we been quacking? hadn't you been quacking? hadn't they been quacking? |
Future | Future continuous | Future perfect | Future perfect continuous |
| won't I quack? won't you quack? won't he quack? won't we quack? won't you quack? won't they quack? | won't I be quacking? won't you be quacking? won't he be quacking? won't we be quacking? won't you be quacking? won't they be quacking? | won't I have quacked? won't you have quacked? won't he have quacked? won't we have quacked? won't you have quacked? won't they have quacked? | won't I have been quacking? won't you have been quacking? won't he have been quacking? won't we have been quacking? won't you have been quacking? won't they have been quacking? |
Present | Present continuous | Past | Past continuous |
| wouldn't I quack? wouldn't you quack? wouldn't he quack? wouldn't we quack? wouldn't you quack? wouldn't they quack? | wouldn't I be quacking? wouldn't you be quacking? wouldn't he be quacking? wouldn't we be quacking? wouldn't you be quacking? wouldn't they be quacking? | wouldn't I have quacked? wouldn't you have quacked? wouldn't he have quacked? wouldn't we have quacked? wouldn't you have quacked? wouldn't they have quacked? | wouldn't I have been quacking? wouldn't you have been quacking? wouldn't he have been quacking? wouldn't we have been quacking? wouldn't you have been quacking? wouldn't they have been quacking? |
Infinitive | Imperative |
Infinitive | Imperative | ||
| to quack | - - - |
Present | Past | ||
| quacking | quacked |