I can prolapse you can prolapse he can prolapse we can prolapse you can prolapse they can prolapse
V-ing form
I can be prolapsing you can be prolapsing he can be prolapsing we can be prolapsing you can be prolapsing they can be prolapsing
Perfect
I can have prolapsed you can have prolapsed he can have prolapsed we can have prolapsed you can have prolapsed they can have prolapsed
V-ing perfect
I can have been prolapsing you can have been prolapsing he can have been prolapsing we can have been prolapsing you can have been prolapsing they can have been prolapsing
Negation
Simple form
I can't prolapse you can't prolapse he can't prolapse we can't prolapse you can't prolapse they can't prolapse
V-ing form
I can't be prolapsing you can't be prolapsing he can't be prolapsing we can't be prolapsing you can't be prolapsing they can't be prolapsing
Perfect
I can't have prolapsed you can't have prolapsed he can't have prolapsed we can't have prolapsed you can't have prolapsed they can't have prolapsed
V-ing perfect
I can't have been prolapsing you can't have been prolapsing he can't have been prolapsing we can't have been prolapsing you can't have been prolapsing they can't have been prolapsing
Interrogative form
Simple form
can I prolapse? can you prolapse? can he prolapse? can we prolapse? can you prolapse? can they prolapse?
V-ing form
can I be prolapsing? can you be prolapsing? can he be prolapsing? can we be prolapsing? can you be prolapsing? can they be prolapsing?
Perfect
can I have prolapsed? can you have prolapsed? can he have prolapsed? can we have prolapsed? can you have prolapsed? can they have prolapsed?
V-ing perfect
can I have been prolapsing? can you have been prolapsing? can he have been prolapsing? can we have been prolapsing? can you have been prolapsing? can they have been prolapsing?
Interro-negative form
Simple form
can't I prolapse? can't you prolapse? can't he prolapse? can't we prolapse? can't you prolapse? can't they prolapse?
V-ing form
can't I be prolapsing? can't you be prolapsing? can't he be prolapsing? can't we be prolapsing? can't you be prolapsing? can't they be prolapsing?
Perfect
can't I have prolapsed? can't you have prolapsed? can't he have prolapsed? can't we have prolapsed? can't you have prolapsed? can't they have prolapsed?
V-ing perfect
can't I have been prolapsing? can't you have been prolapsing? can't he have been prolapsing? can't we have been prolapsing? can't you have been prolapsing? can't they have been prolapsing?