English verb conjugation
CAN GROUSE

Regular verb: grouse - groused - groused

Affirmation

Simple form	V-ing form
I can grouse you can grouse she can grouse we can grouse you can grouse they can grouse	I can be grousing you can be grousing she can be grousing we can be grousing you can be grousing they can be grousing
Perfect	V-ing perfect
I can have groused you can have groused she can have groused we can have groused you can have groused they can have groused	I can have been grousing you can have been grousing she can have been grousing we can have been grousing you can have been grousing they can have been grousing

Negation

Simple form	V-ing form
I cannot grouse you cannot grouse she cannot grouse we cannot grouse you cannot grouse they cannot grouse	I cannot be grousing you cannot be grousing she cannot be grousing we cannot be grousing you cannot be grousing they cannot be grousing
Perfect	V-ing perfect
I cannot have groused you cannot have groused she cannot have groused we cannot have groused you cannot have groused they cannot have groused	I cannot have been grousing you cannot have been grousing she cannot have been grousing we cannot have been grousing you cannot have been grousing they cannot have been grousing

Interrogative form

Simple form	V-ing form
can I grouse? can you grouse? can she grouse? can we grouse? can you grouse? can they grouse?	can I be grousing? can you be grousing? can she be grousing? can we be grousing? can you be grousing? can they be grousing?
Perfect	V-ing perfect
can I have groused? can you have groused? can she have groused? can we have groused? can you have groused? can they have groused?	can I have been grousing? can you have been grousing? can she have been grousing? can we have been grousing? can you have been grousing? can they have been grousing?

Interro-negative form

Simple form	V-ing form
can I not grouse? can you not grouse? can she not grouse? can we not grouse? can you not grouse? can they not grouse?	can I not be grousing? can you not be grousing? can she not be grousing? can we not be grousing? can you not be grousing? can they not be grousing?
Perfect	V-ing perfect
can I not have groused? can you not have groused? can she not have groused? can we not have groused? can you not have groused? can they not have groused?	can I not have been grousing? can you not have been grousing? can she not have been grousing? can we not have been grousing? can you not have been grousing? can they not have been grousing?