English verb conjugation
CAN HALLO

Regular verb: hallo - halloed - halloed

Affirmation

Simple form	V-ing form
I can hallo you can hallo he can hallo we can hallo you can hallo they can hallo	I can be halloing you can be halloing he can be halloing we can be halloing you can be halloing they can be halloing
Perfect	V-ing perfect
I can have halloed you can have halloed he can have halloed we can have halloed you can have halloed they can have halloed	I can have been halloing you can have been halloing he can have been halloing we can have been halloing you can have been halloing they can have been halloing

Negation

Simple form	V-ing form
I can't hallo you can't hallo he can't hallo we can't hallo you can't hallo they can't hallo	I can't be halloing you can't be halloing he can't be halloing we can't be halloing you can't be halloing they can't be halloing
Perfect	V-ing perfect
I can't have halloed you can't have halloed he can't have halloed we can't have halloed you can't have halloed they can't have halloed	I can't have been halloing you can't have been halloing he can't have been halloing we can't have been halloing you can't have been halloing they can't have been halloing

Interrogative form

Simple form	V-ing form
can I hallo? can you hallo? can he hallo? can we hallo? can you hallo? can they hallo?	can I be halloing? can you be halloing? can he be halloing? can we be halloing? can you be halloing? can they be halloing?
Perfect	V-ing perfect
can I have halloed? can you have halloed? can he have halloed? can we have halloed? can you have halloed? can they have halloed?	can I have been halloing? can you have been halloing? can he have been halloing? can we have been halloing? can you have been halloing? can they have been halloing?

Interro-negative form

Simple form	V-ing form
can't I hallo? can't you hallo? can't he hallo? can't we hallo? can't you hallo? can't they hallo?	can't I be halloing? can't you be halloing? can't he be halloing? can't we be halloing? can't you be halloing? can't they be halloing?
Perfect	V-ing perfect
can't I have halloed? can't you have halloed? can't he have halloed? can't we have halloed? can't you have halloed? can't they have halloed?	can't I have been halloing? can't you have been halloing? can't he have been halloing? can't we have been halloing? can't you have been halloing? can't they have been halloing?