can befall
Irregular verb: befall - befell- befallen

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can befall
you can befall
she can befall
we can befall
you can befall
they can befall 	I can be befalling
you can be befalling
she can be befalling
we can be befalling
you can be befalling
they can be befalling	I can have befallen
you can have befallen
she can have befallen
we can have befallen
you can have befallen
they can have befallen	I can have been befalling
you can have been befalling
she can have been befalling
we can have been befalling
you can have been befalling
they can have been befalling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't befall
you can't befall
she can't befall
we can't befall
you can't befall
they can't befall 	I can't be befalling
you can't be befalling
she can't be befalling
we can't be befalling
you can't be befalling
they can't be befalling	I can't have befallen
you can't have befallen
she can't have befallen
we can't have befallen
you can't have befallen
they can't have befallen	I can't have been befalling
you can't have been befalling
she can't have been befalling
we can't have been befalling
you can't have been befalling
they can't have been befalling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I befall?
can you befall?
can she befall?
can we befall?
can you befall?
can they befall? 	can I be befalling?
can you be befalling?
can she be befalling?
can we be befalling?
can you be befalling?
can they be befalling? 	can I have befallen?
can you have befallen?
can she have befallen?
can we have befallen?
can you have befallen?
can they have befallen? 	can I have been befalling?
can you have been befalling?
can she have been befalling?
can we have been befalling?
can you have been befalling?
can they have been befalling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I befall?
can't you befall?
can't she befall?
can't we befall?
can't you befall?
can't they befall? 	can't I be befalling?
can't you be befalling?
can't she be befalling?
can't we be befalling?
can't you be befalling?
can't they be befalling? 	can't I have befallen?
can't you have befallen?
can't she have befallen?
can't we have befallen?
can't you have befallen?
can't they have befallen? 	can't I have been befalling?
can't you have been befalling?
can't she have been befalling?
can't we have been befalling?
can't you have been befalling?
can't they have been befalling?