can deadlock
Regular verb: deadlock - deadlocked- deadlocked

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot deadlock
you cannot deadlock
she cannot deadlock
we cannot deadlock
you cannot deadlock
they cannot deadlock 	I cannot be deadlocking
you cannot be deadlocking
she cannot be deadlocking
we cannot be deadlocking
you cannot be deadlocking
they cannot be deadlocking	I cannot have deadlocked
you cannot have deadlocked
she cannot have deadlocked
we cannot have deadlocked
you cannot have deadlocked
they cannot have deadlocked	I cannot have been deadlocking
you cannot have been deadlocking
she cannot have been deadlocking
we cannot have been deadlocking
you cannot have been deadlocking
they cannot have been deadlocking	

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

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not deadlock?
can you not deadlock?
can she not deadlock?
can we not deadlock?
can you not deadlock?
can they not deadlock? 	can I not be deadlocking?
can you not be deadlocking?
can she not be deadlocking?
can we not be deadlocking?
can you not be deadlocking?
can they not be deadlocking? 	can I not have deadlocked?
can you not have deadlocked?
can she not have deadlocked?
can we not have deadlocked?
can you not have deadlocked?
can they not have deadlocked? 	can I not have been deadlocking?
can you not have been deadlocking?
can she not have been deadlocking?
can we not have been deadlocking?
can you not have been deadlocking?
can they not have been deadlocking?