Regular verb: whiten - whitened - whitened
Simple form | V-ing form |
I can whiten you can whiten he can whiten we can whiten you can whiten they can whiten | I can be whitening you can be whitening he can be whitening we can be whitening you can be whitening they can be whitening |
Perfect | V-ing perfect |
I can have whitened you can have whitened he can have whitened we can have whitened you can have whitened they can have whitened | I can have been whitening you can have been whitening he can have been whitening we can have been whitening you can have been whitening they can have been whitening |
Simple form | V-ing form |
I can't whiten you can't whiten he can't whiten we can't whiten you can't whiten they can't whiten | I can't be whitening you can't be whitening he can't be whitening we can't be whitening you can't be whitening they can't be whitening |
Perfect | V-ing perfect |
I can't have whitened you can't have whitened he can't have whitened we can't have whitened you can't have whitened they can't have whitened | I can't have been whitening you can't have been whitening he can't have been whitening we can't have been whitening you can't have been whitening they can't have been whitening |
Simple form | V-ing form |
can I whiten? can you whiten? can he whiten? can we whiten? can you whiten? can they whiten? | can I be whitening? can you be whitening? can he be whitening? can we be whitening? can you be whitening? can they be whitening? |
Perfect | V-ing perfect |
can I have whitened? can you have whitened? can he have whitened? can we have whitened? can you have whitened? can they have whitened? | can I have been whitening? can you have been whitening? can he have been whitening? can we have been whitening? can you have been whitening? can they have been whitening? |
Simple form | V-ing form |
can't I whiten? can't you whiten? can't he whiten? can't we whiten? can't you whiten? can't they whiten? | can't I be whitening? can't you be whitening? can't he be whitening? can't we be whitening? can't you be whitening? can't they be whitening? |
Perfect | V-ing perfect |
can't I have whitened? can't you have whitened? can't he have whitened? can't we have whitened? can't you have whitened? can't they have whitened? | can't I have been whitening? can't you have been whitening? can't he have been whitening? can't we have been whitening? can't you have been whitening? can't they have been whitening? |