I can fracture you can fracture he can fracture we can fracture you can fracture they can fracture
V-ing form
I can be fracturing you can be fracturing he can be fracturing we can be fracturing you can be fracturing they can be fracturing
Perfect
I can have fractured you can have fractured he can have fractured we can have fractured you can have fractured they can have fractured
V-ing perfect
I can have been fracturing you can have been fracturing he can have been fracturing we can have been fracturing you can have been fracturing they can have been fracturing
Negation
Simple form
I can't fracture you can't fracture he can't fracture we can't fracture you can't fracture they can't fracture
V-ing form
I can't be fracturing you can't be fracturing he can't be fracturing we can't be fracturing you can't be fracturing they can't be fracturing
Perfect
I can't have fractured you can't have fractured he can't have fractured we can't have fractured you can't have fractured they can't have fractured
V-ing perfect
I can't have been fracturing you can't have been fracturing he can't have been fracturing we can't have been fracturing you can't have been fracturing they can't have been fracturing
Interrogative form
Simple form
can I fracture? can you fracture? can he fracture? can we fracture? can you fracture? can they fracture?
V-ing form
can I be fracturing? can you be fracturing? can he be fracturing? can we be fracturing? can you be fracturing? can they be fracturing?
Perfect
can I have fractured? can you have fractured? can he have fractured? can we have fractured? can you have fractured? can they have fractured?
V-ing perfect
can I have been fracturing? can you have been fracturing? can he have been fracturing? can we have been fracturing? can you have been fracturing? can they have been fracturing?
Interro-negative form
Simple form
can't I fracture? can't you fracture? can't he fracture? can't we fracture? can't you fracture? can't they fracture?
V-ing form
can't I be fracturing? can't you be fracturing? can't he be fracturing? can't we be fracturing? can't you be fracturing? can't they be fracturing?
Perfect
can't I have fractured? can't you have fractured? can't he have fractured? can't we have fractured? can't you have fractured? can't they have fractured?
V-ing perfect
can't I have been fracturing? can't you have been fracturing? can't he have been fracturing? can't we have been fracturing? can't you have been fracturing? can't they have been fracturing?