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 cannot drug you cannot drug he cannot drug we cannot drug you cannot drug they cannot drug	I cannot be drugging you cannot be drugging he cannot be drugging we cannot be drugging you cannot be drugging they cannot be drugging
Perfect	V-ing perfect
I cannot have drugged you cannot have drugged he cannot have drugged we cannot have drugged you cannot have drugged they cannot have drugged	I cannot have been drugging you cannot have been drugging he cannot have been drugging we cannot have been drugging you cannot have been drugging they cannot 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 I not drug? can you not drug? can he not drug? can we not drug? can you not drug? can they not drug?	can I not be drugging? can you not be drugging? can he not be drugging? can we not be drugging? can you not be drugging? can they not be drugging?
Perfect	V-ing perfect
can I not have drugged? can you not have drugged? can he not have drugged? can we not have drugged? can you not have drugged? can they not have drugged?	can I not have been drugging? can you not have been drugging? can he not have been drugging? can we not have been drugging? can you not have been drugging? can they not have been drugging?