I can free-fall you can free-fall he can free-fall we can free-fall you can free-fall they can free-fall
V-ing form
I can be free-falling you can be free-falling he can be free-falling we can be free-falling you can be free-falling they can be free-falling
Perfect
I can have free-fallen you can have free-fallen he can have free-fallen we can have free-fallen you can have free-fallen they can have free-fallen
V-ing perfect
I can have been free-falling you can have been free-falling he can have been free-falling we can have been free-falling you can have been free-falling they can have been free-falling
Negation
Simple form
I can't free-fall you can't free-fall he can't free-fall we can't free-fall you can't free-fall they can't free-fall
V-ing form
I can't be free-falling you can't be free-falling he can't be free-falling we can't be free-falling you can't be free-falling they can't be free-falling
Perfect
I can't have free-fallen you can't have free-fallen he can't have free-fallen we can't have free-fallen you can't have free-fallen they can't have free-fallen
V-ing perfect
I can't have been free-falling you can't have been free-falling he can't have been free-falling we can't have been free-falling you can't have been free-falling they can't have been free-falling
Interrogative form
Simple form
can I free-fall? can you free-fall? can he free-fall? can we free-fall? can you free-fall? can they free-fall?
V-ing form
can I be free-falling? can you be free-falling? can he be free-falling? can we be free-falling? can you be free-falling? can they be free-falling?
Perfect
can I have free-fallen? can you have free-fallen? can he have free-fallen? can we have free-fallen? can you have free-fallen? can they have free-fallen?
V-ing perfect
can I have been free-falling? can you have been free-falling? can he have been free-falling? can we have been free-falling? can you have been free-falling? can they have been free-falling?
Interro-negative form
Simple form
can't I free-fall? can't you free-fall? can't he free-fall? can't we free-fall? can't you free-fall? can't they free-fall?
V-ing form
can't I be free-falling? can't you be free-falling? can't he be free-falling? can't we be free-falling? can't you be free-falling? can't they be free-falling?
Perfect
can't I have free-fallen? can't you have free-fallen? can't he have free-fallen? can't we have free-fallen? can't you have free-fallen? can't they have free-fallen?
V-ing perfect
can't I have been free-falling? can't you have been free-falling? can't he have been free-falling? can't we have been free-falling? can't you have been free-falling? can't they have been free-falling?