can lease
Regular verb: lease - leased- leased

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can lease
you can lease
she can lease
we can lease
you can lease
they can lease 	I can be leasing
you can be leasing
she can be leasing
we can be leasing
you can be leasing
they can be leasing	I can have leased
you can have leased
she can have leased
we can have leased
you can have leased
they can have leased	I can have been leasing
you can have been leasing
she can have been leasing
we can have been leasing
you can have been leasing
they can have been leasing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot lease
you cannot lease
she cannot lease
we cannot lease
you cannot lease
they cannot lease 	I cannot be leasing
you cannot be leasing
she cannot be leasing
we cannot be leasing
you cannot be leasing
they cannot be leasing	I cannot have leased
you cannot have leased
she cannot have leased
we cannot have leased
you cannot have leased
they cannot have leased	I cannot have been leasing
you cannot have been leasing
she cannot have been leasing
we cannot have been leasing
you cannot have been leasing
they cannot have been leasing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I lease?
can you lease?
can she lease?
can we lease?
can you lease?
can they lease? 	can I be leasing?
can you be leasing?
can she be leasing?
can we be leasing?
can you be leasing?
can they be leasing? 	can I have leased?
can you have leased?
can she have leased?
can we have leased?
can you have leased?
can they have leased? 	can I have been leasing?
can you have been leasing?
can she have been leasing?
can we have been leasing?
can you have been leasing?
can they have been leasing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not lease?
can you not lease?
can she not lease?
can we not lease?
can you not lease?
can they not lease? 	can I not be leasing?
can you not be leasing?
can she not be leasing?
can we not be leasing?
can you not be leasing?
can they not be leasing? 	can I not have leased?
can you not have leased?
can she not have leased?
can we not have leased?
can you not have leased?
can they not have leased? 	can I not have been leasing?
can you not have been leasing?
can she not have been leasing?
can we not have been leasing?
can you not have been leasing?
can they not have been leasing?