could puree
Regular verb: puree - pureed- pureed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could puree
you could puree
he could puree
we could puree
you could puree
they could puree 	I could be pureeing
you could be pureeing
he could be pureeing
we could be pureeing
you could be pureeing
they could be pureeing	I could have pureed
you could have pureed
he could have pureed
we could have pureed
you could have pureed
they could have pureed	I could have been pureeing
you could have been pureeing
he could have been pureeing
we could have been pureeing
you could have been pureeing
they could have been pureeing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not puree
you could not puree
he could not puree
we could not puree
you could not puree
they could not puree 	I could not be pureeing
you could not be pureeing
he could not be pureeing
we could not be pureeing
you could not be pureeing
they could not be pureeing	I could not have pureed
you could not have pureed
he could not have pureed
we could not have pureed
you could not have pureed
they could not have pureed	I could not have been pureeing
you could not have been pureeing
he could not have been pureeing
we could not have been pureeing
you could not have been pureeing
they could not have been pureeing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I puree?
could you puree?
could he puree?
could we puree?
could you puree?
could they puree? 	could I be pureeing?
could you be pureeing?
could he be pureeing?
could we be pureeing?
could you be pureeing?
could they be pureeing? 	could I have pureed?
could you have pureed?
could he have pureed?
could we have pureed?
could you have pureed?
could they have pureed? 	could I have been pureeing?
could you have been pureeing?
could he have been pureeing?
could we have been pureeing?
could you have been pureeing?
could they have been pureeing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not puree?
could you not puree?
could he not puree?
could we not puree?
could you not puree?
could they not puree? 	could I not be pureeing?
could you not be pureeing?
could he not be pureeing?
could we not be pureeing?
could you not be pureeing?
could they not be pureeing? 	could I not have pureed?
could you not have pureed?
could he not have pureed?
could we not have pureed?
could you not have pureed?
could they not have pureed? 	could I not have been pureeing?
could you not have been pureeing?
could he not have been pureeing?
could we not have been pureeing?
could you not have been pureeing?
could they not have been pureeing?