I can jeer you can jeer she can jeer we can jeer you can jeer they can jeer
V-ing form
I can be jeering you can be jeering she can be jeering we can be jeering you can be jeering they can be jeering
Perfect
I can have jeered you can have jeered she can have jeered we can have jeered you can have jeered they can have jeered
V-ing perfect
I can have been jeering you can have been jeering she can have been jeering we can have been jeering you can have been jeering they can have been jeering
Negation
Simple form
I cannot jeer you cannot jeer she cannot jeer we cannot jeer you cannot jeer they cannot jeer
V-ing form
I cannot be jeering you cannot be jeering she cannot be jeering we cannot be jeering you cannot be jeering they cannot be jeering
Perfect
I cannot have jeered you cannot have jeered she cannot have jeered we cannot have jeered you cannot have jeered they cannot have jeered
V-ing perfect
I cannot have been jeering you cannot have been jeering she cannot have been jeering we cannot have been jeering you cannot have been jeering they cannot have been jeering
Interrogative form
Simple form
can I jeer? can you jeer? can she jeer? can we jeer? can you jeer? can they jeer?
V-ing form
can I be jeering? can you be jeering? can she be jeering? can we be jeering? can you be jeering? can they be jeering?
Perfect
can I have jeered? can you have jeered? can she have jeered? can we have jeered? can you have jeered? can they have jeered?
V-ing perfect
can I have been jeering? can you have been jeering? can she have been jeering? can we have been jeering? can you have been jeering? can they have been jeering?
Interro-negative form
Simple form
can I not jeer? can you not jeer? can she not jeer? can we not jeer? can you not jeer? can they not jeer?
V-ing form
can I not be jeering? can you not be jeering? can she not be jeering? can we not be jeering? can you not be jeering? can they not be jeering?
Perfect
can I not have jeered? can you not have jeered? can she not have jeered? can we not have jeered? can you not have jeered? can they not have jeered?
V-ing perfect
can I not have been jeering? can you not have been jeering? can she not have been jeering? can we not have been jeering? can you not have been jeering? can they not have been jeering?