I can expel you can expel he can expel we can expel you can expel they can expel
V-ing form
I can be expelling you can be expelling he can be expelling we can be expelling you can be expelling they can be expelling
Perfect
I can have expelled you can have expelled he can have expelled we can have expelled you can have expelled they can have expelled
V-ing perfect
I can have been expelling you can have been expelling he can have been expelling we can have been expelling you can have been expelling they can have been expelling
Negation
Simple form
I can't expel you can't expel he can't expel we can't expel you can't expel they can't expel
V-ing form
I can't be expelling you can't be expelling he can't be expelling we can't be expelling you can't be expelling they can't be expelling
Perfect
I can't have expelled you can't have expelled he can't have expelled we can't have expelled you can't have expelled they can't have expelled
V-ing perfect
I can't have been expelling you can't have been expelling he can't have been expelling we can't have been expelling you can't have been expelling they can't have been expelling
Interrogative form
Simple form
can I expel? can you expel? can he expel? can we expel? can you expel? can they expel?
V-ing form
can I be expelling? can you be expelling? can he be expelling? can we be expelling? can you be expelling? can they be expelling?
Perfect
can I have expelled? can you have expelled? can he have expelled? can we have expelled? can you have expelled? can they have expelled?
V-ing perfect
can I have been expelling? can you have been expelling? can he have been expelling? can we have been expelling? can you have been expelling? can they have been expelling?
Interro-negative form
Simple form
can't I expel? can't you expel? can't he expel? can't we expel? can't you expel? can't they expel?
V-ing form
can't I be expelling? can't you be expelling? can't he be expelling? can't we be expelling? can't you be expelling? can't they be expelling?
Perfect
can't I have expelled? can't you have expelled? can't he have expelled? can't we have expelled? can't you have expelled? can't they have expelled?
V-ing perfect
can't I have been expelling? can't you have been expelling? can't he have been expelling? can't we have been expelling? can't you have been expelling? can't they have been expelling?