English verb conjugation
SHOULD QUAKE

Regular verb: quake - quaked - quaked

Affirmation

Simple form	V-ing form
I should quake you should quake he should quake we should quake you should quake they should quake	I should be quaking you should be quaking he should be quaking we should be quaking you should be quaking they should be quaking
Perfect	V-ing perfect
I should have quaked you should have quaked he should have quaked we should have quaked you should have quaked they should have quaked	I should have been quaking you should have been quaking he should have been quaking we should have been quaking you should have been quaking they should have been quaking

Negation

Simple form	V-ing form
I should not quake you should not quake he should not quake we should not quake you should not quake they should not quake	I should not be quaking you should not be quaking he should not be quaking we should not be quaking you should not be quaking they should not be quaking
Perfect	V-ing perfect
I should not have quaked you should not have quaked he should not have quaked we should not have quaked you should not have quaked they should not have quaked	I should not have been quaking you should not have been quaking he should not have been quaking we should not have been quaking you should not have been quaking they should not have been quaking

Interrogative form

Simple form	V-ing form
should I quake? should you quake? should he quake? should we quake? should you quake? should they quake?	should I be quaking? should you be quaking? should he be quaking? should we be quaking? should you be quaking? should they be quaking?
Perfect	V-ing perfect
should I have quaked? should you have quaked? should he have quaked? should we have quaked? should you have quaked? should they have quaked?	should I have been quaking? should you have been quaking? should he have been quaking? should we have been quaking? should you have been quaking? should they have been quaking?

Interro-negative form

Simple form	V-ing form
should I not quake? should you not quake? should he not quake? should we not quake? should you not quake? should they not quake?	should I not be quaking? should you not be quaking? should he not be quaking? should we not be quaking? should you not be quaking? should they not be quaking?
Perfect	V-ing perfect
should I not have quaked? should you not have quaked? should he not have quaked? should we not have quaked? should you not have quaked? should they not have quaked?	should I not have been quaking? should you not have been quaking? should he not have been quaking? should we not have been quaking? should you not have been quaking? should they not have been quaking?