could waive
Regular verb: waive - waived- waived

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could waive
you could waive
she could waive
we could waive
you could waive
they could waive 	I could be waiving
you could be waiving
she could be waiving
we could be waiving
you could be waiving
they could be waiving	I could have waived
you could have waived
she could have waived
we could have waived
you could have waived
they could have waived	I could have been waiving
you could have been waiving
she could have been waiving
we could have been waiving
you could have been waiving
they could have been waiving	

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

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

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