English verb conjugation
SHOULD FORESTALL

Regular verb: forestall - forestalled - forestalled

Affirmation

Simple form	V-ing form
I should forestall you should forestall he should forestall we should forestall you should forestall they should forestall	I should be forestalling you should be forestalling he should be forestalling we should be forestalling you should be forestalling they should be forestalling
Perfect	V-ing perfect
I should have forestalled you should have forestalled he should have forestalled we should have forestalled you should have forestalled they should have forestalled	I should have been forestalling you should have been forestalling he should have been forestalling we should have been forestalling you should have been forestalling they should have been forestalling

Negation

Simple form	V-ing form
I should not forestall you should not forestall he should not forestall we should not forestall you should not forestall they should not forestall	I should not be forestalling you should not be forestalling he should not be forestalling we should not be forestalling you should not be forestalling they should not be forestalling
Perfect	V-ing perfect
I should not have forestalled you should not have forestalled he should not have forestalled we should not have forestalled you should not have forestalled they should not have forestalled	I should not have been forestalling you should not have been forestalling he should not have been forestalling we should not have been forestalling you should not have been forestalling they should not have been forestalling

Interrogative form

Simple form	V-ing form
should I forestall? should you forestall? should he forestall? should we forestall? should you forestall? should they forestall?	should I be forestalling? should you be forestalling? should he be forestalling? should we be forestalling? should you be forestalling? should they be forestalling?
Perfect	V-ing perfect
should I have forestalled? should you have forestalled? should he have forestalled? should we have forestalled? should you have forestalled? should they have forestalled?	should I have been forestalling? should you have been forestalling? should he have been forestalling? should we have been forestalling? should you have been forestalling? should they have been forestalling?

Interro-negative form

Simple form	V-ing form
should I not forestall? should you not forestall? should he not forestall? should we not forestall? should you not forestall? should they not forestall?	should I not be forestalling? should you not be forestalling? should he not be forestalling? should we not be forestalling? should you not be forestalling? should they not be forestalling?
Perfect	V-ing perfect
should I not have forestalled? should you not have forestalled? should he not have forestalled? should we not have forestalled? should you not have forestalled? should they not have forestalled?	should I not have been forestalling? should you not have been forestalling? should he not have been forestalling? should we not have been forestalling? should you not have been forestalling? should they not have been forestalling?