English verb conjugation
CAN REDOUBLE

Regular verb: redouble - redoubled - redoubled

Affirmation

Simple form	V-ing form
I can redouble you can redouble he can redouble we can redouble you can redouble they can redouble	I can be redoubling you can be redoubling he can be redoubling we can be redoubling you can be redoubling they can be redoubling
Perfect	V-ing perfect
I can have redoubled you can have redoubled he can have redoubled we can have redoubled you can have redoubled they can have redoubled	I can have been redoubling you can have been redoubling he can have been redoubling we can have been redoubling you can have been redoubling they can have been redoubling

Negation

Simple form	V-ing form
I can't redouble you can't redouble he can't redouble we can't redouble you can't redouble they can't redouble	I can't be redoubling you can't be redoubling he can't be redoubling we can't be redoubling you can't be redoubling they can't be redoubling
Perfect	V-ing perfect
I can't have redoubled you can't have redoubled he can't have redoubled we can't have redoubled you can't have redoubled they can't have redoubled	I can't have been redoubling you can't have been redoubling he can't have been redoubling we can't have been redoubling you can't have been redoubling they can't have been redoubling

Interrogative form

Simple form	V-ing form
can I redouble? can you redouble? can he redouble? can we redouble? can you redouble? can they redouble?	can I be redoubling? can you be redoubling? can he be redoubling? can we be redoubling? can you be redoubling? can they be redoubling?
Perfect	V-ing perfect
can I have redoubled? can you have redoubled? can he have redoubled? can we have redoubled? can you have redoubled? can they have redoubled?	can I have been redoubling? can you have been redoubling? can he have been redoubling? can we have been redoubling? can you have been redoubling? can they have been redoubling?

Interro-negative form

Simple form	V-ing form
can't I redouble? can't you redouble? can't he redouble? can't we redouble? can't you redouble? can't they redouble?	can't I be redoubling? can't you be redoubling? can't he be redoubling? can't we be redoubling? can't you be redoubling? can't they be redoubling?
Perfect	V-ing perfect
can't I have redoubled? can't you have redoubled? can't he have redoubled? can't we have redoubled? can't you have redoubled? can't they have redoubled?	can't I have been redoubling? can't you have been redoubling? can't he have been redoubling? can't we have been redoubling? can't you have been redoubling? can't they have been redoubling?