English verb conjugation
SHOULD INVADE

Regular verb: invade - invaded - invaded

Affirmation

Simple form	V-ing form
I should invade you should invade she should invade we should invade you should invade they should invade	I should be invading you should be invading she 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 she 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 she 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 she 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 she 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 she 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 she 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 she invade? should we invade? should you invade? should they invade?	should I be invading? should you be invading? should she 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 she 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 she 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 she 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 she 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 she 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 she not have been invading? should we not have been invading? should you not have been invading? should they not have been invading?