English verb conjugation
CAN HUMBUG

Regular verb: humbug - humbugged - humbugged

Affirmation

Simple form	V-ing form
I can humbug you can humbug he can humbug we can humbug you can humbug they can humbug	I can be humbugging you can be humbugging he can be humbugging we can be humbugging you can be humbugging they can be humbugging
Perfect	V-ing perfect
I can have humbugged you can have humbugged he can have humbugged we can have humbugged you can have humbugged they can have humbugged	I can have been humbugging you can have been humbugging he can have been humbugging we can have been humbugging you can have been humbugging they can have been humbugging

Negation

Simple form	V-ing form
I can't humbug you can't humbug he can't humbug we can't humbug you can't humbug they can't humbug	I can't be humbugging you can't be humbugging he can't be humbugging we can't be humbugging you can't be humbugging they can't be humbugging
Perfect	V-ing perfect
I can't have humbugged you can't have humbugged he can't have humbugged we can't have humbugged you can't have humbugged they can't have humbugged	I can't have been humbugging you can't have been humbugging he can't have been humbugging we can't have been humbugging you can't have been humbugging they can't have been humbugging

Interrogative form

Simple form	V-ing form
can I humbug? can you humbug? can he humbug? can we humbug? can you humbug? can they humbug?	can I be humbugging? can you be humbugging? can he be humbugging? can we be humbugging? can you be humbugging? can they be humbugging?
Perfect	V-ing perfect
can I have humbugged? can you have humbugged? can he have humbugged? can we have humbugged? can you have humbugged? can they have humbugged?	can I have been humbugging? can you have been humbugging? can he have been humbugging? can we have been humbugging? can you have been humbugging? can they have been humbugging?

Interro-negative form

Simple form	V-ing form
can't I humbug? can't you humbug? can't he humbug? can't we humbug? can't you humbug? can't they humbug?	can't I be humbugging? can't you be humbugging? can't he be humbugging? can't we be humbugging? can't you be humbugging? can't they be humbugging?
Perfect	V-ing perfect
can't I have humbugged? can't you have humbugged? can't he have humbugged? can't we have humbugged? can't you have humbugged? can't they have humbugged?	can't I have been humbugging? can't you have been humbugging? can't he have been humbugging? can't we have been humbugging? can't you have been humbugging? can't they have been humbugging?