English verb conjugation
CAN DRUG

Regular verb: drug - drugged - drugged

Affirmation

Simple form	V-ing form
I can drug you can drug he can drug we can drug you can drug they can drug	I can be drugging you can be drugging he can be drugging we can be drugging you can be drugging they can be drugging
Perfect	V-ing perfect
I can have drugged you can have drugged he can have drugged we can have drugged you can have drugged they can have drugged	I can have been drugging you can have been drugging he can have been drugging we can have been drugging you can have been drugging they can have been drugging

Negation

Simple form	V-ing form
I can't drug you can't drug he can't drug we can't drug you can't drug they can't drug	I can't be drugging you can't be drugging he can't be drugging we can't be drugging you can't be drugging they can't be drugging
Perfect	V-ing perfect
I can't have drugged you can't have drugged he can't have drugged we can't have drugged you can't have drugged they can't have drugged	I can't have been drugging you can't have been drugging he can't have been drugging we can't have been drugging you can't have been drugging they can't have been drugging

Interrogative form

Simple form	V-ing form
can I drug? can you drug? can he drug? can we drug? can you drug? can they drug?	can I be drugging? can you be drugging? can he be drugging? can we be drugging? can you be drugging? can they be drugging?
Perfect	V-ing perfect
can I have drugged? can you have drugged? can he have drugged? can we have drugged? can you have drugged? can they have drugged?	can I have been drugging? can you have been drugging? can he have been drugging? can we have been drugging? can you have been drugging? can they have been drugging?

Interro-negative form

Simple form	V-ing form
can't I drug? can't you drug? can't he drug? can't we drug? can't you drug? can't they drug?	can't I be drugging? can't you be drugging? can't he be drugging? can't we be drugging? can't you be drugging? can't they be drugging?
Perfect	V-ing perfect
can't I have drugged? can't you have drugged? can't he have drugged? can't we have drugged? can't you have drugged? can't they have drugged?	can't I have been drugging? can't you have been drugging? can't he have been drugging? can't we have been drugging? can't you have been drugging? can't they have been drugging?