English verb conjugation
SHOULD LIFEGUARD

Regular verb: lifeguard - lifeguarded - lifeguarded

Affirmation

Simple form	V-ing form
I should lifeguard you should lifeguard he should lifeguard we should lifeguard you should lifeguard they should lifeguard	I should be lifeguarding you should be lifeguarding he 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 he 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 he 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 he 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 he 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 he 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 he 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 he lifeguard? should we lifeguard? should you lifeguard? should they lifeguard?	should I be lifeguarding? should you be lifeguarding? should he 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 he 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 he 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 he 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 he 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 he 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 he not have been lifeguarding? should we not have been lifeguarding? should you not have been lifeguarding? should they not have been lifeguarding?