English verb conjugation
SHOULD YAK

Regular verb: yak - yaked - yaked

Affirmation

Simple form	V-ing form
I should yak you should yak he should yak we should yak you should yak they should yak	I should be yaking you should be yaking he should be yaking we should be yaking you should be yaking they should be yaking
Perfect	V-ing perfect
I should have yaked you should have yaked he should have yaked we should have yaked you should have yaked they should have yaked	I should have been yaking you should have been yaking he should have been yaking we should have been yaking you should have been yaking they should have been yaking

Negation

Simple form	V-ing form
I should not yak you should not yak he should not yak we should not yak you should not yak they should not yak	I should not be yaking you should not be yaking he should not be yaking we should not be yaking you should not be yaking they should not be yaking
Perfect	V-ing perfect
I should not have yaked you should not have yaked he should not have yaked we should not have yaked you should not have yaked they should not have yaked	I should not have been yaking you should not have been yaking he should not have been yaking we should not have been yaking you should not have been yaking they should not have been yaking

Interrogative form

Simple form	V-ing form
should I yak? should you yak? should he yak? should we yak? should you yak? should they yak?	should I be yaking? should you be yaking? should he be yaking? should we be yaking? should you be yaking? should they be yaking?
Perfect	V-ing perfect
should I have yaked? should you have yaked? should he have yaked? should we have yaked? should you have yaked? should they have yaked?	should I have been yaking? should you have been yaking? should he have been yaking? should we have been yaking? should you have been yaking? should they have been yaking?

Interro-negative form

Simple form	V-ing form
should I not yak? should you not yak? should he not yak? should we not yak? should you not yak? should they not yak?	should I not be yaking? should you not be yaking? should he not be yaking? should we not be yaking? should you not be yaking? should they not be yaking?
Perfect	V-ing perfect
should I not have yaked? should you not have yaked? should he not have yaked? should we not have yaked? should you not have yaked? should they not have yaked?	should I not have been yaking? should you not have been yaking? should he not have been yaking? should we not have been yaking? should you not have been yaking? should they not have been yaking?