English verb conjugation
CAN COMMEND

Regular verb: commend - commended - commended

Affirmation

Simple form	V-ing form
I can commend you can commend she can commend we can commend you can commend they can commend	I can be commending you can be commending she can be commending we can be commending you can be commending they can be commending
Perfect	V-ing perfect
I can have commended you can have commended she can have commended we can have commended you can have commended they can have commended	I can have been commending you can have been commending she can have been commending we can have been commending you can have been commending they can have been commending

Negation

Simple form	V-ing form
I cannot commend you cannot commend she cannot commend we cannot commend you cannot commend they cannot commend	I cannot be commending you cannot be commending she cannot be commending we cannot be commending you cannot be commending they cannot be commending
Perfect	V-ing perfect
I cannot have commended you cannot have commended she cannot have commended we cannot have commended you cannot have commended they cannot have commended	I cannot have been commending you cannot have been commending she cannot have been commending we cannot have been commending you cannot have been commending they cannot have been commending

Interrogative form

Simple form	V-ing form
can I commend? can you commend? can she commend? can we commend? can you commend? can they commend?	can I be commending? can you be commending? can she be commending? can we be commending? can you be commending? can they be commending?
Perfect	V-ing perfect
can I have commended? can you have commended? can she have commended? can we have commended? can you have commended? can they have commended?	can I have been commending? can you have been commending? can she have been commending? can we have been commending? can you have been commending? can they have been commending?

Interro-negative form

Simple form	V-ing form
can I not commend? can you not commend? can she not commend? can we not commend? can you not commend? can they not commend?	can I not be commending? can you not be commending? can she not be commending? can we not be commending? can you not be commending? can they not be commending?
Perfect	V-ing perfect
can I not have commended? can you not have commended? can she not have commended? can we not have commended? can you not have commended? can they not have commended?	can I not have been commending? can you not have been commending? can she not have been commending? can we not have been commending? can you not have been commending? can they not have been commending?