could placate
Regular verb: placate - placated- placated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could placate
you could placate
he could placate
we could placate
you could placate
they could placate 	I could be placating
you could be placating
he could be placating
we could be placating
you could be placating
they could be placating	I could have placated
you could have placated
he could have placated
we could have placated
you could have placated
they could have placated	I could have been placating
you could have been placating
he could have been placating
we could have been placating
you could have been placating
they could have been placating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not placate
you could not placate
he could not placate
we could not placate
you could not placate
they could not placate 	I could not be placating
you could not be placating
he could not be placating
we could not be placating
you could not be placating
they could not be placating	I could not have placated
you could not have placated
he could not have placated
we could not have placated
you could not have placated
they could not have placated	I could not have been placating
you could not have been placating
he could not have been placating
we could not have been placating
you could not have been placating
they could not have been placating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I placate?
could you placate?
could he placate?
could we placate?
could you placate?
could they placate? 	could I be placating?
could you be placating?
could he be placating?
could we be placating?
could you be placating?
could they be placating? 	could I have placated?
could you have placated?
could he have placated?
could we have placated?
could you have placated?
could they have placated? 	could I have been placating?
could you have been placating?
could he have been placating?
could we have been placating?
could you have been placating?
could they have been placating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not placate?
could you not placate?
could he not placate?
could we not placate?
could you not placate?
could they not placate? 	could I not be placating?
could you not be placating?
could he not be placating?
could we not be placating?
could you not be placating?
could they not be placating? 	could I not have placated?
could you not have placated?
could he not have placated?
could we not have placated?
could you not have placated?
could they not have placated? 	could I not have been placating?
could you not have been placating?
could he not have been placating?
could we not have been placating?
could you not have been placating?
could they not have been placating?