Regular verb: verify - verified - verified
Simple form | V-ing form |
I could verify you could verify she could verify we could verify you could verify they could verify | I could be verifying you could be verifying she could be verifying we could be verifying you could be verifying they could be verifying |
Perfect | V-ing perfect |
I could have verified you could have verified she could have verified we could have verified you could have verified they could have verified | I could have been verifying you could have been verifying she could have been verifying we could have been verifying you could have been verifying they could have been verifying |
Simple form | V-ing form |
I couldn't verify you couldn't verify she couldn't verify we couldn't verify you couldn't verify they couldn't verify | I couldn't be verifying you couldn't be verifying she couldn't be verifying we couldn't be verifying you couldn't be verifying they couldn't be verifying |
Perfect | V-ing perfect |
I couldn't have verified you couldn't have verified she couldn't have verified we couldn't have verified you couldn't have verified they couldn't have verified | I couldn't have been verifying you couldn't have been verifying she couldn't have been verifying we couldn't have been verifying you couldn't have been verifying they couldn't have been verifying |
Simple form | V-ing form |
could I verify? could you verify? could she verify? could we verify? could you verify? could they verify? | could I be verifying? could you be verifying? could she be verifying? could we be verifying? could you be verifying? could they be verifying? |
Perfect | V-ing perfect |
could I have verified? could you have verified? could she have verified? could we have verified? could you have verified? could they have verified? | could I have been verifying? could you have been verifying? could she have been verifying? could we have been verifying? could you have been verifying? could they have been verifying? |
Simple form | V-ing form |
couldn't I verify? couldn't you verify? couldn't she verify? couldn't we verify? couldn't you verify? couldn't they verify? | couldn't I be verifying? couldn't you be verifying? couldn't she be verifying? couldn't we be verifying? couldn't you be verifying? couldn't they be verifying? |
Perfect | V-ing perfect |
couldn't I have verified? couldn't you have verified? couldn't she have verified? couldn't we have verified? couldn't you have verified? couldn't they have verified? | couldn't I have been verifying? couldn't you have been verifying? couldn't she have been verifying? couldn't we have been verifying? couldn't you have been verifying? couldn't they have been verifying? |