could befall
Irregular verb: befall - befell- befallen

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

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

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

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