English verb conjugation
CAN YEN

Regular verb: yen - yenned - yenned

Affirmation

Simple form	V-ing form
I can yen you can yen he can yen we can yen you can yen they can yen	I can be yenning you can be yenning he can be yenning we can be yenning you can be yenning they can be yenning
Perfect	V-ing perfect
I can have yenned you can have yenned he can have yenned we can have yenned you can have yenned they can have yenned	I can have been yenning you can have been yenning he can have been yenning we can have been yenning you can have been yenning they can have been yenning

Negation

Simple form	V-ing form
I cannot yen you cannot yen he cannot yen we cannot yen you cannot yen they cannot yen	I cannot be yenning you cannot be yenning he cannot be yenning we cannot be yenning you cannot be yenning they cannot be yenning
Perfect	V-ing perfect
I cannot have yenned you cannot have yenned he cannot have yenned we cannot have yenned you cannot have yenned they cannot have yenned	I cannot have been yenning you cannot have been yenning he cannot have been yenning we cannot have been yenning you cannot have been yenning they cannot have been yenning

Interrogative form

Simple form	V-ing form
can I yen? can you yen? can he yen? can we yen? can you yen? can they yen?	can I be yenning? can you be yenning? can he be yenning? can we be yenning? can you be yenning? can they be yenning?
Perfect	V-ing perfect
can I have yenned? can you have yenned? can he have yenned? can we have yenned? can you have yenned? can they have yenned?	can I have been yenning? can you have been yenning? can he have been yenning? can we have been yenning? can you have been yenning? can they have been yenning?

Interro-negative form

Simple form	V-ing form
can I not yen? can you not yen? can he not yen? can we not yen? can you not yen? can they not yen?	can I not be yenning? can you not be yenning? can he not be yenning? can we not be yenning? can you not be yenning? can they not be yenning?
Perfect	V-ing perfect
can I not have yenned? can you not have yenned? can he not have yenned? can we not have yenned? can you not have yenned? can they not have yenned?	can I not have been yenning? can you not have been yenning? can he not have been yenning? can we not have been yenning? can you not have been yenning? can they not have been yenning?