can waive
Regular verb: waive - waived- waived

Affirmation 	
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I can waive
you can waive
she can waive
we can waive
you can waive
they can waive 	I can be waiving
you can be waiving
she can be waiving
we can be waiving
you can be waiving
they can be waiving	I can have waived
you can have waived
she can have waived
we can have waived
you can have waived
they can have waived	I can have been waiving
you can have been waiving
she can have been waiving
we can have been waiving
you can have been waiving
they can have been waiving	

Negation 	
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I cannot waive
you cannot waive
she cannot waive
we cannot waive
you cannot waive
they cannot waive 	I cannot be waiving
you cannot be waiving
she cannot be waiving
we cannot be waiving
you cannot be waiving
they cannot be waiving	I cannot have waived
you cannot have waived
she cannot have waived
we cannot have waived
you cannot have waived
they cannot have waived	I cannot have been waiving
you cannot have been waiving
she cannot have been waiving
we cannot have been waiving
you cannot have been waiving
they cannot have been waiving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I waive?
can you waive?
can she waive?
can we waive?
can you waive?
can they waive? 	can I be waiving?
can you be waiving?
can she be waiving?
can we be waiving?
can you be waiving?
can they be waiving? 	can I have waived?
can you have waived?
can she have waived?
can we have waived?
can you have waived?
can they have waived? 	can I have been waiving?
can you have been waiving?
can she have been waiving?
can we have been waiving?
can you have been waiving?
can they have been waiving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not waive?
can you not waive?
can she not waive?
can we not waive?
can you not waive?
can they not waive? 	can I not be waiving?
can you not be waiving?
can she not be waiving?
can we not be waiving?
can you not be waiving?
can they not be waiving? 	can I not have waived?
can you not have waived?
can she not have waived?
can we not have waived?
can you not have waived?
can they not have waived? 	can I not have been waiving?
can you not have been waiving?
can she not have been waiving?
can we not have been waiving?
can you not have been waiving?
can they not have been waiving?