could wig
Regular verb: wig - wiged- wiged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could wig
you could wig
she could wig
we could wig
you could wig
they could wig 	I could be wiging
you could be wiging
she could be wiging
we could be wiging
you could be wiging
they could be wiging	I could have wiged
you could have wiged
she could have wiged
we could have wiged
you could have wiged
they could have wiged	I could have been wiging
you could have been wiging
she could have been wiging
we could have been wiging
you could have been wiging
they could have been wiging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't wig
you couldn't wig
she couldn't wig
we couldn't wig
you couldn't wig
they couldn't wig 	I couldn't be wiging
you couldn't be wiging
she couldn't be wiging
we couldn't be wiging
you couldn't be wiging
they couldn't be wiging	I couldn't have wiged
you couldn't have wiged
she couldn't have wiged
we couldn't have wiged
you couldn't have wiged
they couldn't have wiged	I couldn't have been wiging
you couldn't have been wiging
she couldn't have been wiging
we couldn't have been wiging
you couldn't have been wiging
they couldn't have been wiging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I wig?
could you wig?
could she wig?
could we wig?
could you wig?
could they wig? 	could I be wiging?
could you be wiging?
could she be wiging?
could we be wiging?
could you be wiging?
could they be wiging? 	could I have wiged?
could you have wiged?
could she have wiged?
could we have wiged?
could you have wiged?
could they have wiged? 	could I have been wiging?
could you have been wiging?
could she have been wiging?
could we have been wiging?
could you have been wiging?
could they have been wiging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I wig?
couldn't you wig?
couldn't she wig?
couldn't we wig?
couldn't you wig?
couldn't they wig? 	couldn't I be wiging?
couldn't you be wiging?
couldn't she be wiging?
couldn't we be wiging?
couldn't you be wiging?
couldn't they be wiging? 	couldn't I have wiged?
couldn't you have wiged?
couldn't she have wiged?
couldn't we have wiged?
couldn't you have wiged?
couldn't they have wiged? 	couldn't I have been wiging?
couldn't you have been wiging?
couldn't she have been wiging?
couldn't we have been wiging?
couldn't you have been wiging?
couldn't they have been wiging?