can waive
Regular verb: waive - waived- waived

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't waive
you can't waive
she can't waive
we can't waive
you can't waive
they can't waive 	I can't be waiving
you can't be waiving
she can't be waiving
we can't be waiving
you can't be waiving
they can't be waiving	I can't have waived
you can't have waived
she can't have waived
we can't have waived
you can't have waived
they can't have waived	I can't have been waiving
you can't have been waiving
she can't have been waiving
we can't have been waiving
you can't have been waiving
they can't 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't I waive?
can't you waive?
can't she waive?
can't we waive?
can't you waive?
can't they waive? 	can't I be waiving?
can't you be waiving?
can't she be waiving?
can't we be waiving?
can't you be waiving?
can't they be waiving? 	can't I have waived?
can't you have waived?
can't she have waived?
can't we have waived?
can't you have waived?
can't they have waived? 	can't I have been waiving?
can't you have been waiving?
can't she have been waiving?
can't we have been waiving?
can't you have been waiving?
can't they have been waiving?