Regular verb: blacken - blackened - blackened
Simple form | V-ing form |
I can blacken you can blacken he can blacken we can blacken you can blacken they can blacken | I can be blackening you can be blackening he can be blackening we can be blackening you can be blackening they can be blackening |
Perfect | V-ing perfect |
I can have blackened you can have blackened he can have blackened we can have blackened you can have blackened they can have blackened | I can have been blackening you can have been blackening he can have been blackening we can have been blackening you can have been blackening they can have been blackening |
Simple form | V-ing form |
I cannot blacken you cannot blacken he cannot blacken we cannot blacken you cannot blacken they cannot blacken | I cannot be blackening you cannot be blackening he cannot be blackening we cannot be blackening you cannot be blackening they cannot be blackening |
Perfect | V-ing perfect |
I cannot have blackened you cannot have blackened he cannot have blackened we cannot have blackened you cannot have blackened they cannot have blackened | I cannot have been blackening you cannot have been blackening he cannot have been blackening we cannot have been blackening you cannot have been blackening they cannot have been blackening |
Simple form | V-ing form |
can I blacken? can you blacken? can he blacken? can we blacken? can you blacken? can they blacken? | can I be blackening? can you be blackening? can he be blackening? can we be blackening? can you be blackening? can they be blackening? |
Perfect | V-ing perfect |
can I have blackened? can you have blackened? can he have blackened? can we have blackened? can you have blackened? can they have blackened? | can I have been blackening? can you have been blackening? can he have been blackening? can we have been blackening? can you have been blackening? can they have been blackening? |
Simple form | V-ing form |
can I not blacken? can you not blacken? can he not blacken? can we not blacken? can you not blacken? can they not blacken? | can I not be blackening? can you not be blackening? can he not be blackening? can we not be blackening? can you not be blackening? can they not be blackening? |
Perfect | V-ing perfect |
can I not have blackened? can you not have blackened? can he not have blackened? can we not have blackened? can you not have blackened? can they not have blackened? | can I not have been blackening? can you not have been blackening? can he not have been blackening? can we not have been blackening? can you not have been blackening? can they not have been blackening? |