could slim
Regular verb: slim - slimmed- slimmed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could slim
you could slim
he could slim
we could slim
you could slim
they could slim 	I could be slimming
you could be slimming
he could be slimming
we could be slimming
you could be slimming
they could be slimming	I could have slimmed
you could have slimmed
he could have slimmed
we could have slimmed
you could have slimmed
they could have slimmed	I could have been slimming
you could have been slimming
he could have been slimming
we could have been slimming
you could have been slimming
they could have been slimming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not slim
you could not slim
he could not slim
we could not slim
you could not slim
they could not slim 	I could not be slimming
you could not be slimming
he could not be slimming
we could not be slimming
you could not be slimming
they could not be slimming	I could not have slimmed
you could not have slimmed
he could not have slimmed
we could not have slimmed
you could not have slimmed
they could not have slimmed	I could not have been slimming
you could not have been slimming
he could not have been slimming
we could not have been slimming
you could not have been slimming
they could not have been slimming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I slim?
could you slim?
could he slim?
could we slim?
could you slim?
could they slim? 	could I be slimming?
could you be slimming?
could he be slimming?
could we be slimming?
could you be slimming?
could they be slimming? 	could I have slimmed?
could you have slimmed?
could he have slimmed?
could we have slimmed?
could you have slimmed?
could they have slimmed? 	could I have been slimming?
could you have been slimming?
could he have been slimming?
could we have been slimming?
could you have been slimming?
could they have been slimming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not slim?
could you not slim?
could he not slim?
could we not slim?
could you not slim?
could they not slim? 	could I not be slimming?
could you not be slimming?
could he not be slimming?
could we not be slimming?
could you not be slimming?
could they not be slimming? 	could I not have slimmed?
could you not have slimmed?
could he not have slimmed?
could we not have slimmed?
could you not have slimmed?
could they not have slimmed? 	could I not have been slimming?
could you not have been slimming?
could he not have been slimming?
could we not have been slimming?
could you not have been slimming?
could they not have been slimming?