Regular verb: evolve - evolved - evolved
Simple form | V-ing form |
I could evolve you could evolve he could evolve we could evolve you could evolve they could evolve | I could be evolving you could be evolving he could be evolving we could be evolving you could be evolving they could be evolving |
Perfect | V-ing perfect |
I could have evolved you could have evolved he could have evolved we could have evolved you could have evolved they could have evolved | I could have been evolving you could have been evolving he could have been evolving we could have been evolving you could have been evolving they could have been evolving |
Simple form | V-ing form |
I couldn't evolve you couldn't evolve he couldn't evolve we couldn't evolve you couldn't evolve they couldn't evolve | I couldn't be evolving you couldn't be evolving he couldn't be evolving we couldn't be evolving you couldn't be evolving they couldn't be evolving |
Perfect | V-ing perfect |
I couldn't have evolved you couldn't have evolved he couldn't have evolved we couldn't have evolved you couldn't have evolved they couldn't have evolved | I couldn't have been evolving you couldn't have been evolving he couldn't have been evolving we couldn't have been evolving you couldn't have been evolving they couldn't have been evolving |
Simple form | V-ing form |
could I evolve? could you evolve? could he evolve? could we evolve? could you evolve? could they evolve? | could I be evolving? could you be evolving? could he be evolving? could we be evolving? could you be evolving? could they be evolving? |
Perfect | V-ing perfect |
could I have evolved? could you have evolved? could he have evolved? could we have evolved? could you have evolved? could they have evolved? | could I have been evolving? could you have been evolving? could he have been evolving? could we have been evolving? could you have been evolving? could they have been evolving? |
Simple form | V-ing form |
couldn't I evolve? couldn't you evolve? couldn't he evolve? couldn't we evolve? couldn't you evolve? couldn't they evolve? | couldn't I be evolving? couldn't you be evolving? couldn't he be evolving? couldn't we be evolving? couldn't you be evolving? couldn't they be evolving? |
Perfect | V-ing perfect |
couldn't I have evolved? couldn't you have evolved? couldn't he have evolved? couldn't we have evolved? couldn't you have evolved? couldn't they have evolved? | couldn't I have been evolving? couldn't you have been evolving? couldn't he have been evolving? couldn't we have been evolving? couldn't you have been evolving? couldn't they have been evolving? |