English verb conjugation
CAN FLOWER

Regular verb: flower - flowered - flowered

Affirmation

Simple form	V-ing form
I can flower you can flower he can flower we can flower you can flower they can flower	I can be flowering you can be flowering he can be flowering we can be flowering you can be flowering they can be flowering
Perfect	V-ing perfect
I can have flowered you can have flowered he can have flowered we can have flowered you can have flowered they can have flowered	I can have been flowering you can have been flowering he can have been flowering we can have been flowering you can have been flowering they can have been flowering

Negation

Simple form	V-ing form
I can't flower you can't flower he can't flower we can't flower you can't flower they can't flower	I can't be flowering you can't be flowering he can't be flowering we can't be flowering you can't be flowering they can't be flowering
Perfect	V-ing perfect
I can't have flowered you can't have flowered he can't have flowered we can't have flowered you can't have flowered they can't have flowered	I can't have been flowering you can't have been flowering he can't have been flowering we can't have been flowering you can't have been flowering they can't have been flowering

Interrogative form

Simple form	V-ing form
can I flower? can you flower? can he flower? can we flower? can you flower? can they flower?	can I be flowering? can you be flowering? can he be flowering? can we be flowering? can you be flowering? can they be flowering?
Perfect	V-ing perfect
can I have flowered? can you have flowered? can he have flowered? can we have flowered? can you have flowered? can they have flowered?	can I have been flowering? can you have been flowering? can he have been flowering? can we have been flowering? can you have been flowering? can they have been flowering?

Interro-negative form

Simple form	V-ing form
can't I flower? can't you flower? can't he flower? can't we flower? can't you flower? can't they flower?	can't I be flowering? can't you be flowering? can't he be flowering? can't we be flowering? can't you be flowering? can't they be flowering?
Perfect	V-ing perfect
can't I have flowered? can't you have flowered? can't he have flowered? can't we have flowered? can't you have flowered? can't they have flowered?	can't I have been flowering? can't you have been flowering? can't he have been flowering? can't we have been flowering? can't you have been flowering? can't they have been flowering?