English verb conjugation
SHOULD INVADE

Regular verb: invade - invaded - invaded

Affirmation

Simple form	V-ing form
I should invade you should invade he should invade we should invade you should invade they should invade	I should be invading you should be invading he should be invading we should be invading you should be invading they should be invading
Perfect	V-ing perfect
I should have invaded you should have invaded he should have invaded we should have invaded you should have invaded they should have invaded	I should have been invading you should have been invading he should have been invading we should have been invading you should have been invading they should have been invading

Negation

Simple form	V-ing form
I should not invade you should not invade he should not invade we should not invade you should not invade they should not invade	I should not be invading you should not be invading he should not be invading we should not be invading you should not be invading they should not be invading
Perfect	V-ing perfect
I should not have invaded you should not have invaded he should not have invaded we should not have invaded you should not have invaded they should not have invaded	I should not have been invading you should not have been invading he should not have been invading we should not have been invading you should not have been invading they should not have been invading

Interrogative form

Simple form	V-ing form
should I invade? should you invade? should he invade? should we invade? should you invade? should they invade?	should I be invading? should you be invading? should he be invading? should we be invading? should you be invading? should they be invading?
Perfect	V-ing perfect
should I have invaded? should you have invaded? should he have invaded? should we have invaded? should you have invaded? should they have invaded?	should I have been invading? should you have been invading? should he have been invading? should we have been invading? should you have been invading? should they have been invading?

Interro-negative form

Simple form	V-ing form
should I not invade? should you not invade? should he not invade? should we not invade? should you not invade? should they not invade?	should I not be invading? should you not be invading? should he not be invading? should we not be invading? should you not be invading? should they not be invading?
Perfect	V-ing perfect
should I not have invaded? should you not have invaded? should he not have invaded? should we not have invaded? should you not have invaded? should they not have invaded?	should I not have been invading? should you not have been invading? should he not have been invading? should we not have been invading? should you not have been invading? should they not have been invading?