Regular verb: demonstrate - demonstrated - demonstrated
Simple form | V-ing form |
I can demonstrate you can demonstrate he can demonstrate we can demonstrate you can demonstrate they can demonstrate | I can be demonstrating you can be demonstrating he can be demonstrating we can be demonstrating you can be demonstrating they can be demonstrating |
Perfect | V-ing perfect |
I can have demonstrated you can have demonstrated he can have demonstrated we can have demonstrated you can have demonstrated they can have demonstrated | I can have been demonstrating you can have been demonstrating he can have been demonstrating we can have been demonstrating you can have been demonstrating they can have been demonstrating |
Simple form | V-ing form |
I can't demonstrate you can't demonstrate he can't demonstrate we can't demonstrate you can't demonstrate they can't demonstrate | I can't be demonstrating you can't be demonstrating he can't be demonstrating we can't be demonstrating you can't be demonstrating they can't be demonstrating |
Perfect | V-ing perfect |
I can't have demonstrated you can't have demonstrated he can't have demonstrated we can't have demonstrated you can't have demonstrated they can't have demonstrated | I can't have been demonstrating you can't have been demonstrating he can't have been demonstrating we can't have been demonstrating you can't have been demonstrating they can't have been demonstrating |
Simple form | V-ing form |
can I demonstrate? can you demonstrate? can he demonstrate? can we demonstrate? can you demonstrate? can they demonstrate? | can I be demonstrating? can you be demonstrating? can he be demonstrating? can we be demonstrating? can you be demonstrating? can they be demonstrating? |
Perfect | V-ing perfect |
can I have demonstrated? can you have demonstrated? can he have demonstrated? can we have demonstrated? can you have demonstrated? can they have demonstrated? | can I have been demonstrating? can you have been demonstrating? can he have been demonstrating? can we have been demonstrating? can you have been demonstrating? can they have been demonstrating? |
Simple form | V-ing form |
can't I demonstrate? can't you demonstrate? can't he demonstrate? can't we demonstrate? can't you demonstrate? can't they demonstrate? | can't I be demonstrating? can't you be demonstrating? can't he be demonstrating? can't we be demonstrating? can't you be demonstrating? can't they be demonstrating? |
Perfect | V-ing perfect |
can't I have demonstrated? can't you have demonstrated? can't he have demonstrated? can't we have demonstrated? can't you have demonstrated? can't they have demonstrated? | can't I have been demonstrating? can't you have been demonstrating? can't he have been demonstrating? can't we have been demonstrating? can't you have been demonstrating? can't they have been demonstrating? |