could wither
Regular verb: wither - withered- withered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could wither
you could wither
she could wither
we could wither
you could wither
they could wither 	I could be withering
you could be withering
she could be withering
we could be withering
you could be withering
they could be withering	I could have withered
you could have withered
she could have withered
we could have withered
you could have withered
they could have withered	I could have been withering
you could have been withering
she could have been withering
we could have been withering
you could have been withering
they could have been withering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't wither
you couldn't wither
she couldn't wither
we couldn't wither
you couldn't wither
they couldn't wither 	I couldn't be withering
you couldn't be withering
she couldn't be withering
we couldn't be withering
you couldn't be withering
they couldn't be withering	I couldn't have withered
you couldn't have withered
she couldn't have withered
we couldn't have withered
you couldn't have withered
they couldn't have withered	I couldn't have been withering
you couldn't have been withering
she couldn't have been withering
we couldn't have been withering
you couldn't have been withering
they couldn't have been withering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I wither?
could you wither?
could she wither?
could we wither?
could you wither?
could they wither? 	could I be withering?
could you be withering?
could she be withering?
could we be withering?
could you be withering?
could they be withering? 	could I have withered?
could you have withered?
could she have withered?
could we have withered?
could you have withered?
could they have withered? 	could I have been withering?
could you have been withering?
could she have been withering?
could we have been withering?
could you have been withering?
could they have been withering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I wither?
couldn't you wither?
couldn't she wither?
couldn't we wither?
couldn't you wither?
couldn't they wither? 	couldn't I be withering?
couldn't you be withering?
couldn't she be withering?
couldn't we be withering?
couldn't you be withering?
couldn't they be withering? 	couldn't I have withered?
couldn't you have withered?
couldn't she have withered?
couldn't we have withered?
couldn't you have withered?
couldn't they have withered? 	couldn't I have been withering?
couldn't you have been withering?
couldn't she have been withering?
couldn't we have been withering?
couldn't you have been withering?
couldn't they have been withering?