English verb conjugation
CAN COUNTERFEIT

Regular verb: counterfeit - counterfeited - counterfeited

Affirmation

Simple form	V-ing form
I can counterfeit you can counterfeit he can counterfeit we can counterfeit you can counterfeit they can counterfeit	I can be counterfeiting you can be counterfeiting he can be counterfeiting we can be counterfeiting you can be counterfeiting they can be counterfeiting
Perfect	V-ing perfect
I can have counterfeited you can have counterfeited he can have counterfeited we can have counterfeited you can have counterfeited they can have counterfeited	I can have been counterfeiting you can have been counterfeiting he can have been counterfeiting we can have been counterfeiting you can have been counterfeiting they can have been counterfeiting

Negation

Simple form	V-ing form
I cannot counterfeit you cannot counterfeit he cannot counterfeit we cannot counterfeit you cannot counterfeit they cannot counterfeit	I cannot be counterfeiting you cannot be counterfeiting he cannot be counterfeiting we cannot be counterfeiting you cannot be counterfeiting they cannot be counterfeiting
Perfect	V-ing perfect
I cannot have counterfeited you cannot have counterfeited he cannot have counterfeited we cannot have counterfeited you cannot have counterfeited they cannot have counterfeited	I cannot have been counterfeiting you cannot have been counterfeiting he cannot have been counterfeiting we cannot have been counterfeiting you cannot have been counterfeiting they cannot have been counterfeiting

Interrogative form

Simple form	V-ing form
can I counterfeit? can you counterfeit? can he counterfeit? can we counterfeit? can you counterfeit? can they counterfeit?	can I be counterfeiting? can you be counterfeiting? can he be counterfeiting? can we be counterfeiting? can you be counterfeiting? can they be counterfeiting?
Perfect	V-ing perfect
can I have counterfeited? can you have counterfeited? can he have counterfeited? can we have counterfeited? can you have counterfeited? can they have counterfeited?	can I have been counterfeiting? can you have been counterfeiting? can he have been counterfeiting? can we have been counterfeiting? can you have been counterfeiting? can they have been counterfeiting?

Interro-negative form

Simple form	V-ing form
can I not counterfeit? can you not counterfeit? can he not counterfeit? can we not counterfeit? can you not counterfeit? can they not counterfeit?	can I not be counterfeiting? can you not be counterfeiting? can he not be counterfeiting? can we not be counterfeiting? can you not be counterfeiting? can they not be counterfeiting?
Perfect	V-ing perfect
can I not have counterfeited? can you not have counterfeited? can he not have counterfeited? can we not have counterfeited? can you not have counterfeited? can they not have counterfeited?	can I not have been counterfeiting? can you not have been counterfeiting? can he not have been counterfeiting? can we not have been counterfeiting? can you not have been counterfeiting? can they not have been counterfeiting?