could bethink
Irregular verb: bethink - bethought- bethought

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could bethink
you could bethink
she could bethink
we could bethink
you could bethink
they could bethink 	I could be bethinking
you could be bethinking
she could be bethinking
we could be bethinking
you could be bethinking
they could be bethinking	I could have bethought
you could have bethought
she could have bethought
we could have bethought
you could have bethought
they could have bethought	I could have been bethinking
you could have been bethinking
she could have been bethinking
we could have been bethinking
you could have been bethinking
they could have been bethinking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't bethink
you couldn't bethink
she couldn't bethink
we couldn't bethink
you couldn't bethink
they couldn't bethink 	I couldn't be bethinking
you couldn't be bethinking
she couldn't be bethinking
we couldn't be bethinking
you couldn't be bethinking
they couldn't be bethinking	I couldn't have bethought
you couldn't have bethought
she couldn't have bethought
we couldn't have bethought
you couldn't have bethought
they couldn't have bethought	I couldn't have been bethinking
you couldn't have been bethinking
she couldn't have been bethinking
we couldn't have been bethinking
you couldn't have been bethinking
they couldn't have been bethinking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I bethink?
could you bethink?
could she bethink?
could we bethink?
could you bethink?
could they bethink? 	could I be bethinking?
could you be bethinking?
could she be bethinking?
could we be bethinking?
could you be bethinking?
could they be bethinking? 	could I have bethought?
could you have bethought?
could she have bethought?
could we have bethought?
could you have bethought?
could they have bethought? 	could I have been bethinking?
could you have been bethinking?
could she have been bethinking?
could we have been bethinking?
could you have been bethinking?
could they have been bethinking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I bethink?
couldn't you bethink?
couldn't she bethink?
couldn't we bethink?
couldn't you bethink?
couldn't they bethink? 	couldn't I be bethinking?
couldn't you be bethinking?
couldn't she be bethinking?
couldn't we be bethinking?
couldn't you be bethinking?
couldn't they be bethinking? 	couldn't I have bethought?
couldn't you have bethought?
couldn't she have bethought?
couldn't we have bethought?
couldn't you have bethought?
couldn't they have bethought? 	couldn't I have been bethinking?
couldn't you have been bethinking?
couldn't she have been bethinking?
couldn't we have been bethinking?
couldn't you have been bethinking?
couldn't they have been bethinking?