could partake
Irregular verb: partake - partook- partaken

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could partake
you could partake
she could partake
we could partake
you could partake
they could partake 	I could be partaking
you could be partaking
she could be partaking
we could be partaking
you could be partaking
they could be partaking	I could have partaken
you could have partaken
she could have partaken
we could have partaken
you could have partaken
they could have partaken	I could have been partaking
you could have been partaking
she could have been partaking
we could have been partaking
you could have been partaking
they could have been partaking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't partake
you couldn't partake
she couldn't partake
we couldn't partake
you couldn't partake
they couldn't partake 	I couldn't be partaking
you couldn't be partaking
she couldn't be partaking
we couldn't be partaking
you couldn't be partaking
they couldn't be partaking	I couldn't have partaken
you couldn't have partaken
she couldn't have partaken
we couldn't have partaken
you couldn't have partaken
they couldn't have partaken	I couldn't have been partaking
you couldn't have been partaking
she couldn't have been partaking
we couldn't have been partaking
you couldn't have been partaking
they couldn't have been partaking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I partake?
could you partake?
could she partake?
could we partake?
could you partake?
could they partake? 	could I be partaking?
could you be partaking?
could she be partaking?
could we be partaking?
could you be partaking?
could they be partaking? 	could I have partaken?
could you have partaken?
could she have partaken?
could we have partaken?
could you have partaken?
could they have partaken? 	could I have been partaking?
could you have been partaking?
could she have been partaking?
could we have been partaking?
could you have been partaking?
could they have been partaking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I partake?
couldn't you partake?
couldn't she partake?
couldn't we partake?
couldn't you partake?
couldn't they partake? 	couldn't I be partaking?
couldn't you be partaking?
couldn't she be partaking?
couldn't we be partaking?
couldn't you be partaking?
couldn't they be partaking? 	couldn't I have partaken?
couldn't you have partaken?
couldn't she have partaken?
couldn't we have partaken?
couldn't you have partaken?
couldn't they have partaken? 	couldn't I have been partaking?
couldn't you have been partaking?
couldn't she have been partaking?
couldn't we have been partaking?
couldn't you have been partaking?
couldn't they have been partaking?