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