English verb conjugation
CAN APPALL

Regular verb: appall - appalled - appalled

Affirmation

Simple form	V-ing form
I can appall you can appall he can appall we can appall you can appall they can appall	I can be appalling you can be appalling he can be appalling we can be appalling you can be appalling they can be appalling
Perfect	V-ing perfect
I can have appalled you can have appalled he can have appalled we can have appalled you can have appalled they can have appalled	I can have been appalling you can have been appalling he can have been appalling we can have been appalling you can have been appalling they can have been appalling

Negation

Simple form	V-ing form
I can't appall you can't appall he can't appall we can't appall you can't appall they can't appall	I can't be appalling you can't be appalling he can't be appalling we can't be appalling you can't be appalling they can't be appalling
Perfect	V-ing perfect
I can't have appalled you can't have appalled he can't have appalled we can't have appalled you can't have appalled they can't have appalled	I can't have been appalling you can't have been appalling he can't have been appalling we can't have been appalling you can't have been appalling they can't have been appalling

Interrogative form

Simple form	V-ing form
can I appall? can you appall? can he appall? can we appall? can you appall? can they appall?	can I be appalling? can you be appalling? can he be appalling? can we be appalling? can you be appalling? can they be appalling?
Perfect	V-ing perfect
can I have appalled? can you have appalled? can he have appalled? can we have appalled? can you have appalled? can they have appalled?	can I have been appalling? can you have been appalling? can he have been appalling? can we have been appalling? can you have been appalling? can they have been appalling?

Interro-negative form

Simple form	V-ing form
can't I appall? can't you appall? can't he appall? can't we appall? can't you appall? can't they appall?	can't I be appalling? can't you be appalling? can't he be appalling? can't we be appalling? can't you be appalling? can't they be appalling?
Perfect	V-ing perfect
can't I have appalled? can't you have appalled? can't he have appalled? can't we have appalled? can't you have appalled? can't they have appalled?	can't I have been appalling? can't you have been appalling? can't he have been appalling? can't we have been appalling? can't you have been appalling? can't they have been appalling?