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