could deprecate
Regular verb: deprecate - deprecated- deprecated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could deprecate
you could deprecate
he could deprecate
we could deprecate
you could deprecate
they could deprecate 	I could be deprecating
you could be deprecating
he could be deprecating
we could be deprecating
you could be deprecating
they could be deprecating	I could have deprecated
you could have deprecated
he could have deprecated
we could have deprecated
you could have deprecated
they could have deprecated	I could have been deprecating
you could have been deprecating
he could have been deprecating
we could have been deprecating
you could have been deprecating
they could have been deprecating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't deprecate
you couldn't deprecate
he couldn't deprecate
we couldn't deprecate
you couldn't deprecate
they couldn't deprecate 	I couldn't be deprecating
you couldn't be deprecating
he couldn't be deprecating
we couldn't be deprecating
you couldn't be deprecating
they couldn't be deprecating	I couldn't have deprecated
you couldn't have deprecated
he couldn't have deprecated
we couldn't have deprecated
you couldn't have deprecated
they couldn't have deprecated	I couldn't have been deprecating
you couldn't have been deprecating
he couldn't have been deprecating
we couldn't have been deprecating
you couldn't have been deprecating
they couldn't have been deprecating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I deprecate?
could you deprecate?
could he deprecate?
could we deprecate?
could you deprecate?
could they deprecate? 	could I be deprecating?
could you be deprecating?
could he be deprecating?
could we be deprecating?
could you be deprecating?
could they be deprecating? 	could I have deprecated?
could you have deprecated?
could he have deprecated?
could we have deprecated?
could you have deprecated?
could they have deprecated? 	could I have been deprecating?
could you have been deprecating?
could he have been deprecating?
could we have been deprecating?
could you have been deprecating?
could they have been deprecating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I deprecate?
couldn't you deprecate?
couldn't he deprecate?
couldn't we deprecate?
couldn't you deprecate?
couldn't they deprecate? 	couldn't I be deprecating?
couldn't you be deprecating?
couldn't he be deprecating?
couldn't we be deprecating?
couldn't you be deprecating?
couldn't they be deprecating? 	couldn't I have deprecated?
couldn't you have deprecated?
couldn't he have deprecated?
couldn't we have deprecated?
couldn't you have deprecated?
couldn't they have deprecated? 	couldn't I have been deprecating?
couldn't you have been deprecating?
couldn't he have been deprecating?
couldn't we have been deprecating?
couldn't you have been deprecating?
couldn't they have been deprecating?