could moderate
Regular verb: moderate - moderated- moderated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could moderate
you could moderate
she could moderate
we could moderate
you could moderate
they could moderate 	I could be moderating
you could be moderating
she could be moderating
we could be moderating
you could be moderating
they could be moderating	I could have moderated
you could have moderated
she could have moderated
we could have moderated
you could have moderated
they could have moderated	I could have been moderating
you could have been moderating
she could have been moderating
we could have been moderating
you could have been moderating
they could have been moderating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't moderate
you couldn't moderate
she couldn't moderate
we couldn't moderate
you couldn't moderate
they couldn't moderate 	I couldn't be moderating
you couldn't be moderating
she couldn't be moderating
we couldn't be moderating
you couldn't be moderating
they couldn't be moderating	I couldn't have moderated
you couldn't have moderated
she couldn't have moderated
we couldn't have moderated
you couldn't have moderated
they couldn't have moderated	I couldn't have been moderating
you couldn't have been moderating
she couldn't have been moderating
we couldn't have been moderating
you couldn't have been moderating
they couldn't have been moderating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I moderate?
could you moderate?
could she moderate?
could we moderate?
could you moderate?
could they moderate? 	could I be moderating?
could you be moderating?
could she be moderating?
could we be moderating?
could you be moderating?
could they be moderating? 	could I have moderated?
could you have moderated?
could she have moderated?
could we have moderated?
could you have moderated?
could they have moderated? 	could I have been moderating?
could you have been moderating?
could she have been moderating?
could we have been moderating?
could you have been moderating?
could they have been moderating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I moderate?
couldn't you moderate?
couldn't she moderate?
couldn't we moderate?
couldn't you moderate?
couldn't they moderate? 	couldn't I be moderating?
couldn't you be moderating?
couldn't she be moderating?
couldn't we be moderating?
couldn't you be moderating?
couldn't they be moderating? 	couldn't I have moderated?
couldn't you have moderated?
couldn't she have moderated?
couldn't we have moderated?
couldn't you have moderated?
couldn't they have moderated? 	couldn't I have been moderating?
couldn't you have been moderating?
couldn't she have been moderating?
couldn't we have been moderating?
couldn't you have been moderating?
couldn't they have been moderating?