English verb conjugation
SHALL YAK

Regular verb: yak - yaked - yaked

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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