Regular verb: box - boxed - boxed
Simple form | V-ing form |
I can box you can box he can box we can box you can box they can box | I can be boxing you can be boxing he can be boxing we can be boxing you can be boxing they can be boxing |
Perfect | V-ing perfect |
I can have boxed you can have boxed he can have boxed we can have boxed you can have boxed they can have boxed | I can have been boxing you can have been boxing he can have been boxing we can have been boxing you can have been boxing they can have been boxing |
Simple form | V-ing form |
I can't box you can't box he can't box we can't box you can't box they can't box | I can't be boxing you can't be boxing he can't be boxing we can't be boxing you can't be boxing they can't be boxing |
Perfect | V-ing perfect |
I can't have boxed you can't have boxed he can't have boxed we can't have boxed you can't have boxed they can't have boxed | I can't have been boxing you can't have been boxing he can't have been boxing we can't have been boxing you can't have been boxing they can't have been boxing |
Simple form | V-ing form |
can I box? can you box? can he box? can we box? can you box? can they box? | can I be boxing? can you be boxing? can he be boxing? can we be boxing? can you be boxing? can they be boxing? |
Perfect | V-ing perfect |
can I have boxed? can you have boxed? can he have boxed? can we have boxed? can you have boxed? can they have boxed? | can I have been boxing? can you have been boxing? can he have been boxing? can we have been boxing? can you have been boxing? can they have been boxing? |
Simple form | V-ing form |
can't I box? can't you box? can't he box? can't we box? can't you box? can't they box? | can't I be boxing? can't you be boxing? can't he be boxing? can't we be boxing? can't you be boxing? can't they be boxing? |
Perfect | V-ing perfect |
can't I have boxed? can't you have boxed? can't he have boxed? can't we have boxed? can't you have boxed? can't they have boxed? | can't I have been boxing? can't you have been boxing? can't he have been boxing? can't we have been boxing? can't you have been boxing? can't they have been boxing? |