English verb conjugation
COULD DEADLOCK

Regular verb: deadlock - deadlocked - deadlocked

Affirmation

Simple form	V-ing form
I could deadlock you could deadlock she could deadlock we could deadlock you could deadlock they could deadlock	I could be deadlocking you could be deadlocking she could be deadlocking we could be deadlocking you could be deadlocking they could be deadlocking
Perfect	V-ing perfect
I could have deadlocked you could have deadlocked she could have deadlocked we could have deadlocked you could have deadlocked they could have deadlocked	I could have been deadlocking you could have been deadlocking she could have been deadlocking we could have been deadlocking you could have been deadlocking they could have been deadlocking

Negation

Simple form	V-ing form
I couldn't deadlock you couldn't deadlock she couldn't deadlock we couldn't deadlock you couldn't deadlock they couldn't deadlock	I couldn't be deadlocking you couldn't be deadlocking she couldn't be deadlocking we couldn't be deadlocking you couldn't be deadlocking they couldn't be deadlocking
Perfect	V-ing perfect
I couldn't have deadlocked you couldn't have deadlocked she couldn't have deadlocked we couldn't have deadlocked you couldn't have deadlocked they couldn't have deadlocked	I couldn't have been deadlocking you couldn't have been deadlocking she couldn't have been deadlocking we couldn't have been deadlocking you couldn't have been deadlocking they couldn't have been deadlocking

Interrogative form

Simple form	V-ing form
could I deadlock? could you deadlock? could she deadlock? could we deadlock? could you deadlock? could they deadlock?	could I be deadlocking? could you be deadlocking? could she be deadlocking? could we be deadlocking? could you be deadlocking? could they be deadlocking?
Perfect	V-ing perfect
could I have deadlocked? could you have deadlocked? could she have deadlocked? could we have deadlocked? could you have deadlocked? could they have deadlocked?	could I have been deadlocking? could you have been deadlocking? could she have been deadlocking? could we have been deadlocking? could you have been deadlocking? could they have been deadlocking?

Interro-negative form

Simple form	V-ing form
couldn't I deadlock? couldn't you deadlock? couldn't she deadlock? couldn't we deadlock? couldn't you deadlock? couldn't they deadlock?	couldn't I be deadlocking? couldn't you be deadlocking? couldn't she be deadlocking? couldn't we be deadlocking? couldn't you be deadlocking? couldn't they be deadlocking?
Perfect	V-ing perfect
couldn't I have deadlocked? couldn't you have deadlocked? couldn't she have deadlocked? couldn't we have deadlocked? couldn't you have deadlocked? couldn't they have deadlocked?	couldn't I have been deadlocking? couldn't you have been deadlocking? couldn't she have been deadlocking? couldn't we have been deadlocking? couldn't you have been deadlocking? couldn't they have been deadlocking?