Regular verb: demonstrate - demonstrated - demonstrated
Present | Present continuous | Preterite | Preterite continuous |
don't I demonstrate? don't you demonstrate? doesn't she demonstrate? don't we demonstrate? don't you demonstrate? don't they demonstrate? | am I not demonstrating? aren't you demonstrating? isn't she demonstrating? aren't we demonstrating? aren't you demonstrating? aren't they demonstrating? | didn't I demonstrate? didn't you demonstrate? didn't she demonstrate? didn't we demonstrate? didn't you demonstrate? didn't they demonstrate? | wasn't I demonstrating? weren't you demonstrating? wasn't she demonstrating? weren't we demonstrating? weren't you demonstrating? weren't they demonstrating? |
Present perfect | Present perfect continuous | Pluperfect | Pluperfect continuous |
haven't I demonstrated? haven't you demonstrated? hasn't she demonstrated? haven't we demonstrated? haven't you demonstrated? haven't they demonstrated? | haven't I been demonstrating? haven't you been demonstrating? hasn't she been demonstrating? haven't we been demonstrating? haven't you been demonstrating? haven't they been demonstrating? | hadn't I demonstrated? hadn't you demonstrated? hadn't she demonstrated? hadn't we demonstrated? hadn't you demonstrated? hadn't they demonstrated? | hadn't I been demonstrating? hadn't you been demonstrating? hadn't she been demonstrating? hadn't we been demonstrating? hadn't you been demonstrating? hadn't they been demonstrating? |
Future | Future continuous | Future perfect | Future perfect continuous |
won't I demonstrate? won't you demonstrate? won't she demonstrate? won't we demonstrate? won't you demonstrate? won't they demonstrate? | won't I be demonstrating? won't you be demonstrating? won't she be demonstrating? won't we be demonstrating? won't you be demonstrating? won't they be demonstrating? | won't I have demonstrated? won't you have demonstrated? won't she have demonstrated? won't we have demonstrated? won't you have demonstrated? won't they have demonstrated? | won't I have been demonstrating? won't you have been demonstrating? won't she have been demonstrating? won't we have been demonstrating? won't you have been demonstrating? won't they have been demonstrating? |
Present | Present continuous | Past | Past continuous |
wouldn't I demonstrate? wouldn't you demonstrate? wouldn't she demonstrate? wouldn't we demonstrate? wouldn't you demonstrate? wouldn't they demonstrate? | wouldn't I be demonstrating? wouldn't you be demonstrating? wouldn't she be demonstrating? wouldn't we be demonstrating? wouldn't you be demonstrating? wouldn't they be demonstrating? | wouldn't I have demonstrated? wouldn't you have demonstrated? wouldn't she have demonstrated? wouldn't we have demonstrated? wouldn't you have demonstrated? wouldn't they have demonstrated? | wouldn't I have been demonstrating? wouldn't you have been demonstrating? wouldn't she have been demonstrating? wouldn't we have been demonstrating? wouldn't you have been demonstrating? wouldn't they have been demonstrating? |
Infinitive | Imperative |
Infinitive | Imperative | ||
to demonstrate | - - - |
Present | Past | ||
demonstrating | demonstrated |