I can vociferate you can vociferate he can vociferate we can vociferate you can vociferate they can vociferate
V-ing form
I can be vociferating you can be vociferating he can be vociferating we can be vociferating you can be vociferating they can be vociferating
Perfect
I can have vociferated you can have vociferated he can have vociferated we can have vociferated you can have vociferated they can have vociferated
V-ing perfect
I can have been vociferating you can have been vociferating he can have been vociferating we can have been vociferating you can have been vociferating they can have been vociferating
Negation
Simple form
I cannot vociferate you cannot vociferate he cannot vociferate we cannot vociferate you cannot vociferate they cannot vociferate
V-ing form
I cannot be vociferating you cannot be vociferating he cannot be vociferating we cannot be vociferating you cannot be vociferating they cannot be vociferating
Perfect
I cannot have vociferated you cannot have vociferated he cannot have vociferated we cannot have vociferated you cannot have vociferated they cannot have vociferated
V-ing perfect
I cannot have been vociferating you cannot have been vociferating he cannot have been vociferating we cannot have been vociferating you cannot have been vociferating they cannot have been vociferating
Interrogative form
Simple form
can I vociferate? can you vociferate? can he vociferate? can we vociferate? can you vociferate? can they vociferate?
V-ing form
can I be vociferating? can you be vociferating? can he be vociferating? can we be vociferating? can you be vociferating? can they be vociferating?
Perfect
can I have vociferated? can you have vociferated? can he have vociferated? can we have vociferated? can you have vociferated? can they have vociferated?
V-ing perfect
can I have been vociferating? can you have been vociferating? can he have been vociferating? can we have been vociferating? can you have been vociferating? can they have been vociferating?
Interro-negative form
Simple form
can I not vociferate? can you not vociferate? can he not vociferate? can we not vociferate? can you not vociferate? can they not vociferate?
V-ing form
can I not be vociferating? can you not be vociferating? can he not be vociferating? can we not be vociferating? can you not be vociferating? can they not be vociferating?
Perfect
can I not have vociferated? can you not have vociferated? can he not have vociferated? can we not have vociferated? can you not have vociferated? can they not have vociferated?
V-ing perfect
can I not have been vociferating? can you not have been vociferating? can he not have been vociferating? can we not have been vociferating? can you not have been vociferating? can they not have been vociferating?