I should befall you should befall he should befall we should befall you should befall they should befall
V-ing form
I should be befalling you should be befalling he should be befalling we should be befalling you should be befalling they should be befalling
Perfect
I should have befallen you should have befallen he should have befallen we should have befallen you should have befallen they should have befallen
V-ing perfect
I should have been befalling you should have been befalling he should have been befalling we should have been befalling you should have been befalling they should have been befalling
Negation
Simple form
I should not befall you should not befall he should not befall we should not befall you should not befall they should not befall
V-ing form
I should not be befalling you should not be befalling he should not be befalling we should not be befalling you should not be befalling they should not be befalling
Perfect
I should not have befallen you should not have befallen he should not have befallen we should not have befallen you should not have befallen they should not have befallen
V-ing perfect
I should not have been befalling you should not have been befalling he should not have been befalling we should not have been befalling you should not have been befalling they should not have been befalling
Interrogative form
Simple form
should I befall? should you befall? should he befall? should we befall? should you befall? should they befall?
V-ing form
should I be befalling? should you be befalling? should he be befalling? should we be befalling? should you be befalling? should they be befalling?
Perfect
should I have befallen? should you have befallen? should he have befallen? should we have befallen? should you have befallen? should they have befallen?
V-ing perfect
should I have been befalling? should you have been befalling? should he have been befalling? should we have been befalling? should you have been befalling? should they have been befalling?
Interro-negative form
Simple form
should I not befall? should you not befall? should he not befall? should we not befall? should you not befall? should they not befall?
V-ing form
should I not be befalling? should you not be befalling? should he not be befalling? should we not be befalling? should you not be befalling? should they not be befalling?
Perfect
should I not have befallen? should you not have befallen? should he not have befallen? should we not have befallen? should you not have befallen? should they not have befallen?
V-ing perfect
should I not have been befalling? should you not have been befalling? should he not have been befalling? should we not have been befalling? should you not have been befalling? should they not have been befalling?