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 cannot fracture you cannot fracture he cannot fracture we cannot fracture you cannot fracture they cannot fracture
V-ing form
I cannot be fracturing you cannot be fracturing he cannot be fracturing we cannot be fracturing you cannot be fracturing they cannot be fracturing
Perfect
I cannot have fractured you cannot have fractured he cannot have fractured we cannot have fractured you cannot have fractured they cannot have fractured
V-ing perfect
I cannot have been fracturing you cannot have been fracturing he cannot have been fracturing we cannot have been fracturing you cannot have been fracturing they cannot 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 I not fracture? can you not fracture? can he not fracture? can we not fracture? can you not fracture? can they not fracture?
V-ing form
can I not be fracturing? can you not be fracturing? can he not be fracturing? can we not be fracturing? can you not be fracturing? can they not be fracturing?
Perfect
can I not have fractured? can you not have fractured? can he not have fractured? can we not have fractured? can you not have fractured? can they not have fractured?
V-ing perfect
can I not have been fracturing? can you not have been fracturing? can he not have been fracturing? can we not have been fracturing? can you not have been fracturing? can they not have been fracturing?