can liaise
Regular verb: liaise - liaised- liaised

Affirmation 	
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I can liaise
you can liaise
he can liaise
we can liaise
you can liaise
they can liaise 	I can be liaising
you can be liaising
he can be liaising
we can be liaising
you can be liaising
they can be liaising	I can have liaised
you can have liaised
he can have liaised
we can have liaised
you can have liaised
they can have liaised	I can have been liaising
you can have been liaising
he can have been liaising
we can have been liaising
you can have been liaising
they can have been liaising	

Negation 	
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I cannot liaise
you cannot liaise
he cannot liaise
we cannot liaise
you cannot liaise
they cannot liaise 	I cannot be liaising
you cannot be liaising
he cannot be liaising
we cannot be liaising
you cannot be liaising
they cannot be liaising	I cannot have liaised
you cannot have liaised
he cannot have liaised
we cannot have liaised
you cannot have liaised
they cannot have liaised	I cannot have been liaising
you cannot have been liaising
he cannot have been liaising
we cannot have been liaising
you cannot have been liaising
they cannot have been liaising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I liaise?
can you liaise?
can he liaise?
can we liaise?
can you liaise?
can they liaise? 	can I be liaising?
can you be liaising?
can he be liaising?
can we be liaising?
can you be liaising?
can they be liaising? 	can I have liaised?
can you have liaised?
can he have liaised?
can we have liaised?
can you have liaised?
can they have liaised? 	can I have been liaising?
can you have been liaising?
can he have been liaising?
can we have been liaising?
can you have been liaising?
can they have been liaising? 	

Interro-negative form 	
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can I not liaise?
can you not liaise?
can he not liaise?
can we not liaise?
can you not liaise?
can they not liaise? 	can I not be liaising?
can you not be liaising?
can he not be liaising?
can we not be liaising?
can you not be liaising?
can they not be liaising? 	can I not have liaised?
can you not have liaised?
can he not have liaised?
can we not have liaised?
can you not have liaised?
can they not have liaised? 	can I not have been liaising?
can you not have been liaising?
can he not have been liaising?
can we not have been liaising?
can you not have been liaising?
can they not have been liaising?