English verb conjugation
CAN OPERATE

Regular verb: operate - operated - operated

Affirmation

Simple form	V-ing form
I can operate you can operate he can operate we can operate you can operate they can operate	I can be operating you can be operating he can be operating we can be operating you can be operating they can be operating
Perfect	V-ing perfect
I can have operated you can have operated he can have operated we can have operated you can have operated they can have operated	I can have been operating you can have been operating he can have been operating we can have been operating you can have been operating they can have been operating

Negation

Simple form	V-ing form
I cannot operate you cannot operate he cannot operate we cannot operate you cannot operate they cannot operate	I cannot be operating you cannot be operating he cannot be operating we cannot be operating you cannot be operating they cannot be operating
Perfect	V-ing perfect
I cannot have operated you cannot have operated he cannot have operated we cannot have operated you cannot have operated they cannot have operated	I cannot have been operating you cannot have been operating he cannot have been operating we cannot have been operating you cannot have been operating they cannot have been operating

Interrogative form

Simple form	V-ing form
can I operate? can you operate? can he operate? can we operate? can you operate? can they operate?	can I be operating? can you be operating? can he be operating? can we be operating? can you be operating? can they be operating?
Perfect	V-ing perfect
can I have operated? can you have operated? can he have operated? can we have operated? can you have operated? can they have operated?	can I have been operating? can you have been operating? can he have been operating? can we have been operating? can you have been operating? can they have been operating?

Interro-negative form

Simple form	V-ing form
can I not operate? can you not operate? can he not operate? can we not operate? can you not operate? can they not operate?	can I not be operating? can you not be operating? can he not be operating? can we not be operating? can you not be operating? can they not be operating?
Perfect	V-ing perfect
can I not have operated? can you not have operated? can he not have operated? can we not have operated? can you not have operated? can they not have operated?	can I not have been operating? can you not have been operating? can he not have been operating? can we not have been operating? can you not have been operating? can they not have been operating?