I can commiserate you can commiserate he can commiserate we can commiserate you can commiserate they can commiserate
V-ing form
I can be commiserating you can be commiserating he can be commiserating we can be commiserating you can be commiserating they can be commiserating
Perfect
I can have commiserated you can have commiserated he can have commiserated we can have commiserated you can have commiserated they can have commiserated
V-ing perfect
I can have been commiserating you can have been commiserating he can have been commiserating we can have been commiserating you can have been commiserating they can have been commiserating
Negation
Simple form
I cannot commiserate you cannot commiserate he cannot commiserate we cannot commiserate you cannot commiserate they cannot commiserate
V-ing form
I cannot be commiserating you cannot be commiserating he cannot be commiserating we cannot be commiserating you cannot be commiserating they cannot be commiserating
Perfect
I cannot have commiserated you cannot have commiserated he cannot have commiserated we cannot have commiserated you cannot have commiserated they cannot have commiserated
V-ing perfect
I cannot have been commiserating you cannot have been commiserating he cannot have been commiserating we cannot have been commiserating you cannot have been commiserating they cannot have been commiserating
Interrogative form
Simple form
can I commiserate? can you commiserate? can he commiserate? can we commiserate? can you commiserate? can they commiserate?
V-ing form
can I be commiserating? can you be commiserating? can he be commiserating? can we be commiserating? can you be commiserating? can they be commiserating?
Perfect
can I have commiserated? can you have commiserated? can he have commiserated? can we have commiserated? can you have commiserated? can they have commiserated?
V-ing perfect
can I have been commiserating? can you have been commiserating? can he have been commiserating? can we have been commiserating? can you have been commiserating? can they have been commiserating?
Interro-negative form
Simple form
can I not commiserate? can you not commiserate? can he not commiserate? can we not commiserate? can you not commiserate? can they not commiserate?
V-ing form
can I not be commiserating? can you not be commiserating? can he not be commiserating? can we not be commiserating? can you not be commiserating? can they not be commiserating?
Perfect
can I not have commiserated? can you not have commiserated? can he not have commiserated? can we not have commiserated? can you not have commiserated? can they not have commiserated?
V-ing perfect
can I not have been commiserating? can you not have been commiserating? can he not have been commiserating? can we not have been commiserating? can you not have been commiserating? can they not have been commiserating?