Regular verb: brighten - brightened - brightened
Simple form | V-ing form |
I can brighten you can brighten he can brighten we can brighten you can brighten they can brighten | I can be brightening you can be brightening he can be brightening we can be brightening you can be brightening they can be brightening |
Perfect | V-ing perfect |
I can have brightened you can have brightened he can have brightened we can have brightened you can have brightened they can have brightened | I can have been brightening you can have been brightening he can have been brightening we can have been brightening you can have been brightening they can have been brightening |
Simple form | V-ing form |
I can't brighten you can't brighten he can't brighten we can't brighten you can't brighten they can't brighten | I can't be brightening you can't be brightening he can't be brightening we can't be brightening you can't be brightening they can't be brightening |
Perfect | V-ing perfect |
I can't have brightened you can't have brightened he can't have brightened we can't have brightened you can't have brightened they can't have brightened | I can't have been brightening you can't have been brightening he can't have been brightening we can't have been brightening you can't have been brightening they can't have been brightening |
Simple form | V-ing form |
can I brighten? can you brighten? can he brighten? can we brighten? can you brighten? can they brighten? | can I be brightening? can you be brightening? can he be brightening? can we be brightening? can you be brightening? can they be brightening? |
Perfect | V-ing perfect |
can I have brightened? can you have brightened? can he have brightened? can we have brightened? can you have brightened? can they have brightened? | can I have been brightening? can you have been brightening? can he have been brightening? can we have been brightening? can you have been brightening? can they have been brightening? |
Simple form | V-ing form |
can't I brighten? can't you brighten? can't he brighten? can't we brighten? can't you brighten? can't they brighten? | can't I be brightening? can't you be brightening? can't he be brightening? can't we be brightening? can't you be brightening? can't they be brightening? |
Perfect | V-ing perfect |
can't I have brightened? can't you have brightened? can't he have brightened? can't we have brightened? can't you have brightened? can't they have brightened? | can't I have been brightening? can't you have been brightening? can't he have been brightening? can't we have been brightening? can't you have been brightening? can't they have been brightening? |