I can blubber you can blubber he can blubber we can blubber you can blubber they can blubber
V-ing form
I can be blubbering you can be blubbering he can be blubbering we can be blubbering you can be blubbering they can be blubbering
Perfect
I can have blubbered you can have blubbered he can have blubbered we can have blubbered you can have blubbered they can have blubbered
V-ing perfect
I can have been blubbering you can have been blubbering he can have been blubbering we can have been blubbering you can have been blubbering they can have been blubbering
Negation
Simple form
I cannot blubber you cannot blubber he cannot blubber we cannot blubber you cannot blubber they cannot blubber
V-ing form
I cannot be blubbering you cannot be blubbering he cannot be blubbering we cannot be blubbering you cannot be blubbering they cannot be blubbering
Perfect
I cannot have blubbered you cannot have blubbered he cannot have blubbered we cannot have blubbered you cannot have blubbered they cannot have blubbered
V-ing perfect
I cannot have been blubbering you cannot have been blubbering he cannot have been blubbering we cannot have been blubbering you cannot have been blubbering they cannot have been blubbering
Interrogative form
Simple form
can I blubber? can you blubber? can he blubber? can we blubber? can you blubber? can they blubber?
V-ing form
can I be blubbering? can you be blubbering? can he be blubbering? can we be blubbering? can you be blubbering? can they be blubbering?
Perfect
can I have blubbered? can you have blubbered? can he have blubbered? can we have blubbered? can you have blubbered? can they have blubbered?
V-ing perfect
can I have been blubbering? can you have been blubbering? can he have been blubbering? can we have been blubbering? can you have been blubbering? can they have been blubbering?
Interro-negative form
Simple form
can I not blubber? can you not blubber? can he not blubber? can we not blubber? can you not blubber? can they not blubber?
V-ing form
can I not be blubbering? can you not be blubbering? can he not be blubbering? can we not be blubbering? can you not be blubbering? can they not be blubbering?
Perfect
can I not have blubbered? can you not have blubbered? can he not have blubbered? can we not have blubbered? can you not have blubbered? can they not have blubbered?
V-ing perfect
can I not have been blubbering? can you not have been blubbering? can he not have been blubbering? can we not have been blubbering? can you not have been blubbering? can they not have been blubbering?