I can shrivel you can shrivel he can shrivel we can shrivel you can shrivel they can shrivel
V-ing form
I can be shrivelling you can be shrivelling he can be shrivelling we can be shrivelling you can be shrivelling they can be shrivelling
Perfect
I can have shrivelled you can have shrivelled he can have shrivelled we can have shrivelled you can have shrivelled they can have shrivelled
V-ing perfect
I can have been shrivelling you can have been shrivelling he can have been shrivelling we can have been shrivelling you can have been shrivelling they can have been shrivelling
Negation
Simple form
I cannot shrivel you cannot shrivel he cannot shrivel we cannot shrivel you cannot shrivel they cannot shrivel
V-ing form
I cannot be shrivelling you cannot be shrivelling he cannot be shrivelling we cannot be shrivelling you cannot be shrivelling they cannot be shrivelling
Perfect
I cannot have shrivelled you cannot have shrivelled he cannot have shrivelled we cannot have shrivelled you cannot have shrivelled they cannot have shrivelled
V-ing perfect
I cannot have been shrivelling you cannot have been shrivelling he cannot have been shrivelling we cannot have been shrivelling you cannot have been shrivelling they cannot have been shrivelling
Interrogative form
Simple form
can I shrivel? can you shrivel? can he shrivel? can we shrivel? can you shrivel? can they shrivel?
V-ing form
can I be shrivelling? can you be shrivelling? can he be shrivelling? can we be shrivelling? can you be shrivelling? can they be shrivelling?
Perfect
can I have shrivelled? can you have shrivelled? can he have shrivelled? can we have shrivelled? can you have shrivelled? can they have shrivelled?
V-ing perfect
can I have been shrivelling? can you have been shrivelling? can he have been shrivelling? can we have been shrivelling? can you have been shrivelling? can they have been shrivelling?
Interro-negative form
Simple form
can I not shrivel? can you not shrivel? can he not shrivel? can we not shrivel? can you not shrivel? can they not shrivel?
V-ing form
can I not be shrivelling? can you not be shrivelling? can he not be shrivelling? can we not be shrivelling? can you not be shrivelling? can they not be shrivelling?
Perfect
can I not have shrivelled? can you not have shrivelled? can he not have shrivelled? can we not have shrivelled? can you not have shrivelled? can they not have shrivelled?
V-ing perfect
can I not have been shrivelling? can you not have been shrivelling? can he not have been shrivelling? can we not have been shrivelling? can you not have been shrivelling? can they not have been shrivelling?