I can decrepitate you can decrepitate he can decrepitate we can decrepitate you can decrepitate they can decrepitate
V-ing form
I can be decrepitating you can be decrepitating he can be decrepitating we can be decrepitating you can be decrepitating they can be decrepitating
Perfect
I can have decrepitated you can have decrepitated he can have decrepitated we can have decrepitated you can have decrepitated they can have decrepitated
V-ing perfect
I can have been decrepitating you can have been decrepitating he can have been decrepitating we can have been decrepitating you can have been decrepitating they can have been decrepitating
Negation
Simple form
I cannot decrepitate you cannot decrepitate he cannot decrepitate we cannot decrepitate you cannot decrepitate they cannot decrepitate
V-ing form
I cannot be decrepitating you cannot be decrepitating he cannot be decrepitating we cannot be decrepitating you cannot be decrepitating they cannot be decrepitating
Perfect
I cannot have decrepitated you cannot have decrepitated he cannot have decrepitated we cannot have decrepitated you cannot have decrepitated they cannot have decrepitated
V-ing perfect
I cannot have been decrepitating you cannot have been decrepitating he cannot have been decrepitating we cannot have been decrepitating you cannot have been decrepitating they cannot have been decrepitating
Interrogative form
Simple form
can I decrepitate? can you decrepitate? can he decrepitate? can we decrepitate? can you decrepitate? can they decrepitate?
V-ing form
can I be decrepitating? can you be decrepitating? can he be decrepitating? can we be decrepitating? can you be decrepitating? can they be decrepitating?
Perfect
can I have decrepitated? can you have decrepitated? can he have decrepitated? can we have decrepitated? can you have decrepitated? can they have decrepitated?
V-ing perfect
can I have been decrepitating? can you have been decrepitating? can he have been decrepitating? can we have been decrepitating? can you have been decrepitating? can they have been decrepitating?
Interro-negative form
Simple form
can I not decrepitate? can you not decrepitate? can he not decrepitate? can we not decrepitate? can you not decrepitate? can they not decrepitate?
V-ing form
can I not be decrepitating? can you not be decrepitating? can he not be decrepitating? can we not be decrepitating? can you not be decrepitating? can they not be decrepitating?
Perfect
can I not have decrepitated? can you not have decrepitated? can he not have decrepitated? can we not have decrepitated? can you not have decrepitated? can they not have decrepitated?
V-ing perfect
can I not have been decrepitating? can you not have been decrepitating? can he not have been decrepitating? can we not have been decrepitating? can you not have been decrepitating? can they not have been decrepitating?