English verb conjugation
CAN RETHINK

Irregular verb: rethink - rethought - rethought

Affirmation

Simple form	V-ing form
I can rethink you can rethink he can rethink we can rethink you can rethink they can rethink	I can be rethinking you can be rethinking he can be rethinking we can be rethinking you can be rethinking they can be rethinking
Perfect	V-ing perfect
I can have rethought you can have rethought he can have rethought we can have rethought you can have rethought they can have rethought	I can have been rethinking you can have been rethinking he can have been rethinking we can have been rethinking you can have been rethinking they can have been rethinking

Negation

Simple form	V-ing form
I can't rethink you can't rethink he can't rethink we can't rethink you can't rethink they can't rethink	I can't be rethinking you can't be rethinking he can't be rethinking we can't be rethinking you can't be rethinking they can't be rethinking
Perfect	V-ing perfect
I can't have rethought you can't have rethought he can't have rethought we can't have rethought you can't have rethought they can't have rethought	I can't have been rethinking you can't have been rethinking he can't have been rethinking we can't have been rethinking you can't have been rethinking they can't have been rethinking

Interrogative form

Simple form	V-ing form
can I rethink? can you rethink? can he rethink? can we rethink? can you rethink? can they rethink?	can I be rethinking? can you be rethinking? can he be rethinking? can we be rethinking? can you be rethinking? can they be rethinking?
Perfect	V-ing perfect
can I have rethought? can you have rethought? can he have rethought? can we have rethought? can you have rethought? can they have rethought?	can I have been rethinking? can you have been rethinking? can he have been rethinking? can we have been rethinking? can you have been rethinking? can they have been rethinking?

Interro-negative form

Simple form	V-ing form
can't I rethink? can't you rethink? can't he rethink? can't we rethink? can't you rethink? can't they rethink?	can't I be rethinking? can't you be rethinking? can't he be rethinking? can't we be rethinking? can't you be rethinking? can't they be rethinking?
Perfect	V-ing perfect
can't I have rethought? can't you have rethought? can't he have rethought? can't we have rethought? can't you have rethought? can't they have rethought?	can't I have been rethinking? can't you have been rethinking? can't he have been rethinking? can't we have been rethinking? can't you have been rethinking? can't they have been rethinking?