English verb conjugation
CAN FLUNK

Regular verb: flunk - flunked - flunked

Affirmation

Simple form	V-ing form
I can flunk you can flunk he can flunk we can flunk you can flunk they can flunk	I can be flunking you can be flunking he can be flunking we can be flunking you can be flunking they can be flunking
Perfect	V-ing perfect
I can have flunked you can have flunked he can have flunked we can have flunked you can have flunked they can have flunked	I can have been flunking you can have been flunking he can have been flunking we can have been flunking you can have been flunking they can have been flunking

Negation

Simple form	V-ing form
I can't flunk you can't flunk he can't flunk we can't flunk you can't flunk they can't flunk	I can't be flunking you can't be flunking he can't be flunking we can't be flunking you can't be flunking they can't be flunking
Perfect	V-ing perfect
I can't have flunked you can't have flunked he can't have flunked we can't have flunked you can't have flunked they can't have flunked	I can't have been flunking you can't have been flunking he can't have been flunking we can't have been flunking you can't have been flunking they can't have been flunking

Interrogative form

Simple form	V-ing form
can I flunk? can you flunk? can he flunk? can we flunk? can you flunk? can they flunk?	can I be flunking? can you be flunking? can he be flunking? can we be flunking? can you be flunking? can they be flunking?
Perfect	V-ing perfect
can I have flunked? can you have flunked? can he have flunked? can we have flunked? can you have flunked? can they have flunked?	can I have been flunking? can you have been flunking? can he have been flunking? can we have been flunking? can you have been flunking? can they have been flunking?

Interro-negative form

Simple form	V-ing form
can't I flunk? can't you flunk? can't he flunk? can't we flunk? can't you flunk? can't they flunk?	can't I be flunking? can't you be flunking? can't he be flunking? can't we be flunking? can't you be flunking? can't they be flunking?
Perfect	V-ing perfect
can't I have flunked? can't you have flunked? can't he have flunked? can't we have flunked? can't you have flunked? can't they have flunked?	can't I have been flunking? can't you have been flunking? can't he have been flunking? can't we have been flunking? can't you have been flunking? can't they have been flunking?