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