English verb conjugation
SHOULD LIFEGUARD

Regular verb: lifeguard - lifeguarded - lifeguarded

Affirmation

Simple form	V-ing form
I should lifeguard you should lifeguard she should lifeguard we should lifeguard you should lifeguard they should lifeguard	I should be lifeguarding you should be lifeguarding she should be lifeguarding we should be lifeguarding you should be lifeguarding they should be lifeguarding
Perfect	V-ing perfect
I should have lifeguarded you should have lifeguarded she should have lifeguarded we should have lifeguarded you should have lifeguarded they should have lifeguarded	I should have been lifeguarding you should have been lifeguarding she should have been lifeguarding we should have been lifeguarding you should have been lifeguarding they should have been lifeguarding

Negation

Simple form	V-ing form
I should not lifeguard you should not lifeguard she should not lifeguard we should not lifeguard you should not lifeguard they should not lifeguard	I should not be lifeguarding you should not be lifeguarding she should not be lifeguarding we should not be lifeguarding you should not be lifeguarding they should not be lifeguarding
Perfect	V-ing perfect
I should not have lifeguarded you should not have lifeguarded she should not have lifeguarded we should not have lifeguarded you should not have lifeguarded they should not have lifeguarded	I should not have been lifeguarding you should not have been lifeguarding she should not have been lifeguarding we should not have been lifeguarding you should not have been lifeguarding they should not have been lifeguarding

Interrogative form

Simple form	V-ing form
should I lifeguard? should you lifeguard? should she lifeguard? should we lifeguard? should you lifeguard? should they lifeguard?	should I be lifeguarding? should you be lifeguarding? should she be lifeguarding? should we be lifeguarding? should you be lifeguarding? should they be lifeguarding?
Perfect	V-ing perfect
should I have lifeguarded? should you have lifeguarded? should she have lifeguarded? should we have lifeguarded? should you have lifeguarded? should they have lifeguarded?	should I have been lifeguarding? should you have been lifeguarding? should she have been lifeguarding? should we have been lifeguarding? should you have been lifeguarding? should they have been lifeguarding?

Interro-negative form

Simple form	V-ing form
should I not lifeguard? should you not lifeguard? should she not lifeguard? should we not lifeguard? should you not lifeguard? should they not lifeguard?	should I not be lifeguarding? should you not be lifeguarding? should she not be lifeguarding? should we not be lifeguarding? should you not be lifeguarding? should they not be lifeguarding?
Perfect	V-ing perfect
should I not have lifeguarded? should you not have lifeguarded? should she not have lifeguarded? should we not have lifeguarded? should you not have lifeguarded? should they not have lifeguarded?	should I not have been lifeguarding? should you not have been lifeguarding? should she not have been lifeguarding? should we not have been lifeguarding? should you not have been lifeguarding? should they not have been lifeguarding?