English verb conjugation
CAN WHISPER

Regular verb: whisper - whispered - whispered

Affirmation

Simple form	V-ing form
I can whisper you can whisper she can whisper we can whisper you can whisper they can whisper	I can be whispering you can be whispering she can be whispering we can be whispering you can be whispering they can be whispering
Perfect	V-ing perfect
I can have whispered you can have whispered she can have whispered we can have whispered you can have whispered they can have whispered	I can have been whispering you can have been whispering she can have been whispering we can have been whispering you can have been whispering they can have been whispering

Negation

Simple form	V-ing form
I cannot whisper you cannot whisper she cannot whisper we cannot whisper you cannot whisper they cannot whisper	I cannot be whispering you cannot be whispering she cannot be whispering we cannot be whispering you cannot be whispering they cannot be whispering
Perfect	V-ing perfect
I cannot have whispered you cannot have whispered she cannot have whispered we cannot have whispered you cannot have whispered they cannot have whispered	I cannot have been whispering you cannot have been whispering she cannot have been whispering we cannot have been whispering you cannot have been whispering they cannot have been whispering

Interrogative form

Simple form	V-ing form
can I whisper? can you whisper? can she whisper? can we whisper? can you whisper? can they whisper?	can I be whispering? can you be whispering? can she be whispering? can we be whispering? can you be whispering? can they be whispering?
Perfect	V-ing perfect
can I have whispered? can you have whispered? can she have whispered? can we have whispered? can you have whispered? can they have whispered?	can I have been whispering? can you have been whispering? can she have been whispering? can we have been whispering? can you have been whispering? can they have been whispering?

Interro-negative form

Simple form	V-ing form
can I not whisper? can you not whisper? can she not whisper? can we not whisper? can you not whisper? can they not whisper?	can I not be whispering? can you not be whispering? can she not be whispering? can we not be whispering? can you not be whispering? can they not be whispering?
Perfect	V-ing perfect
can I not have whispered? can you not have whispered? can she not have whispered? can we not have whispered? can you not have whispered? can they not have whispered?	can I not have been whispering? can you not have been whispering? can she not have been whispering? can we not have been whispering? can you not have been whispering? can they not have been whispering?