Regular verb: fork - forked - forked
Simple form | V-ing form |
I could fork you could fork he could fork we could fork you could fork they could fork | I could be forking you could be forking he could be forking we could be forking you could be forking they could be forking |
Perfect | V-ing perfect |
I could have forked you could have forked he could have forked we could have forked you could have forked they could have forked | I could have been forking you could have been forking he could have been forking we could have been forking you could have been forking they could have been forking |
Simple form | V-ing form |
I could not fork you could not fork he could not fork we could not fork you could not fork they could not fork | I could not be forking you could not be forking he could not be forking we could not be forking you could not be forking they could not be forking |
Perfect | V-ing perfect |
I could not have forked you could not have forked he could not have forked we could not have forked you could not have forked they could not have forked | I could not have been forking you could not have been forking he could not have been forking we could not have been forking you could not have been forking they could not have been forking |
Simple form | V-ing form |
could I fork? could you fork? could he fork? could we fork? could you fork? could they fork? | could I be forking? could you be forking? could he be forking? could we be forking? could you be forking? could they be forking? |
Perfect | V-ing perfect |
could I have forked? could you have forked? could he have forked? could we have forked? could you have forked? could they have forked? | could I have been forking? could you have been forking? could he have been forking? could we have been forking? could you have been forking? could they have been forking? |
Simple form | V-ing form |
could I not fork? could you not fork? could he not fork? could we not fork? could you not fork? could they not fork? | could I not be forking? could you not be forking? could he not be forking? could we not be forking? could you not be forking? could they not be forking? |
Perfect | V-ing perfect |
could I not have forked? could you not have forked? could he not have forked? could we not have forked? could you not have forked? could they not have forked? | could I not have been forking? could you not have been forking? could he not have been forking? could we not have been forking? could you not have been forking? could they not have been forking? |