English verb conjugation
SHOULD SCREAK

Regular verb: screak - screaked - screaked

Affirmation

Simple form	V-ing form
I should screak you should screak he should screak we should screak you should screak they should screak	I should be screaking you should be screaking he should be screaking we should be screaking you should be screaking they should be screaking
Perfect	V-ing perfect
I should have screaked you should have screaked he should have screaked we should have screaked you should have screaked they should have screaked	I should have been screaking you should have been screaking he should have been screaking we should have been screaking you should have been screaking they should have been screaking

Negation

Simple form	V-ing form
I should not screak you should not screak he should not screak we should not screak you should not screak they should not screak	I should not be screaking you should not be screaking he should not be screaking we should not be screaking you should not be screaking they should not be screaking
Perfect	V-ing perfect
I should not have screaked you should not have screaked he should not have screaked we should not have screaked you should not have screaked they should not have screaked	I should not have been screaking you should not have been screaking he should not have been screaking we should not have been screaking you should not have been screaking they should not have been screaking

Interrogative form

Simple form	V-ing form
should I screak? should you screak? should he screak? should we screak? should you screak? should they screak?	should I be screaking? should you be screaking? should he be screaking? should we be screaking? should you be screaking? should they be screaking?
Perfect	V-ing perfect
should I have screaked? should you have screaked? should he have screaked? should we have screaked? should you have screaked? should they have screaked?	should I have been screaking? should you have been screaking? should he have been screaking? should we have been screaking? should you have been screaking? should they have been screaking?

Interro-negative form

Simple form	V-ing form
should I not screak? should you not screak? should he not screak? should we not screak? should you not screak? should they not screak?	should I not be screaking? should you not be screaking? should he not be screaking? should we not be screaking? should you not be screaking? should they not be screaking?
Perfect	V-ing perfect
should I not have screaked? should you not have screaked? should he not have screaked? should we not have screaked? should you not have screaked? should they not have screaked?	should I not have been screaking? should you not have been screaking? should he not have been screaking? should we not have been screaking? should you not have been screaking? should they not have been screaking?