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 can't yen you can't yen he can't yen we can't yen you can't yen they can't yen	I can't be yenning you can't be yenning he can't be yenning we can't be yenning you can't be yenning they can't be yenning
Perfect	V-ing perfect
I can't have yenned you can't have yenned he can't have yenned we can't have yenned you can't have yenned they can't have yenned	I can't have been yenning you can't have been yenning he can't have been yenning we can't have been yenning you can't have been yenning they can't 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't I yen? can't you yen? can't he yen? can't we yen? can't you yen? can't they yen?	can't I be yenning? can't you be yenning? can't he be yenning? can't we be yenning? can't you be yenning? can't they be yenning?
Perfect	V-ing perfect
can't I have yenned? can't you have yenned? can't he have yenned? can't we have yenned? can't you have yenned? can't they have yenned?	can't I have been yenning? can't you have been yenning? can't he have been yenning? can't we have been yenning? can't you have been yenning? can't they have been yenning?