could approbate
Regular verb: approbate - approbated- approbated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could approbate
you could approbate
she could approbate
we could approbate
you could approbate
they could approbate 	I could be approbating
you could be approbating
she could be approbating
we could be approbating
you could be approbating
they could be approbating	I could have approbated
you could have approbated
she could have approbated
we could have approbated
you could have approbated
they could have approbated	I could have been approbating
you could have been approbating
she could have been approbating
we could have been approbating
you could have been approbating
they could have been approbating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't approbate
you couldn't approbate
she couldn't approbate
we couldn't approbate
you couldn't approbate
they couldn't approbate 	I couldn't be approbating
you couldn't be approbating
she couldn't be approbating
we couldn't be approbating
you couldn't be approbating
they couldn't be approbating	I couldn't have approbated
you couldn't have approbated
she couldn't have approbated
we couldn't have approbated
you couldn't have approbated
they couldn't have approbated	I couldn't have been approbating
you couldn't have been approbating
she couldn't have been approbating
we couldn't have been approbating
you couldn't have been approbating
they couldn't have been approbating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I approbate?
could you approbate?
could she approbate?
could we approbate?
could you approbate?
could they approbate? 	could I be approbating?
could you be approbating?
could she be approbating?
could we be approbating?
could you be approbating?
could they be approbating? 	could I have approbated?
could you have approbated?
could she have approbated?
could we have approbated?
could you have approbated?
could they have approbated? 	could I have been approbating?
could you have been approbating?
could she have been approbating?
could we have been approbating?
could you have been approbating?
could they have been approbating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I approbate?
couldn't you approbate?
couldn't she approbate?
couldn't we approbate?
couldn't you approbate?
couldn't they approbate? 	couldn't I be approbating?
couldn't you be approbating?
couldn't she be approbating?
couldn't we be approbating?
couldn't you be approbating?
couldn't they be approbating? 	couldn't I have approbated?
couldn't you have approbated?
couldn't she have approbated?
couldn't we have approbated?
couldn't you have approbated?
couldn't they have approbated? 	couldn't I have been approbating?
couldn't you have been approbating?
couldn't she have been approbating?
couldn't we have been approbating?
couldn't you have been approbating?
couldn't they have been approbating?