English verb conjugation
CAN HELLO

Regular verb: hello - helloed - helloed

Affirmation

Simple form	V-ing form
I can hello you can hello she can hello we can hello you can hello they can hello	I can be helloing you can be helloing she can be helloing we can be helloing you can be helloing they can be helloing
Perfect	V-ing perfect
I can have helloed you can have helloed she can have helloed we can have helloed you can have helloed they can have helloed	I can have been helloing you can have been helloing she can have been helloing we can have been helloing you can have been helloing they can have been helloing

Negation

Simple form	V-ing form
I cannot hello you cannot hello she cannot hello we cannot hello you cannot hello they cannot hello	I cannot be helloing you cannot be helloing she cannot be helloing we cannot be helloing you cannot be helloing they cannot be helloing
Perfect	V-ing perfect
I cannot have helloed you cannot have helloed she cannot have helloed we cannot have helloed you cannot have helloed they cannot have helloed	I cannot have been helloing you cannot have been helloing she cannot have been helloing we cannot have been helloing you cannot have been helloing they cannot have been helloing

Interrogative form

Simple form	V-ing form
can I hello? can you hello? can she hello? can we hello? can you hello? can they hello?	can I be helloing? can you be helloing? can she be helloing? can we be helloing? can you be helloing? can they be helloing?
Perfect	V-ing perfect
can I have helloed? can you have helloed? can she have helloed? can we have helloed? can you have helloed? can they have helloed?	can I have been helloing? can you have been helloing? can she have been helloing? can we have been helloing? can you have been helloing? can they have been helloing?

Interro-negative form

Simple form	V-ing form
can I not hello? can you not hello? can she not hello? can we not hello? can you not hello? can they not hello?	can I not be helloing? can you not be helloing? can she not be helloing? can we not be helloing? can you not be helloing? can they not be helloing?
Perfect	V-ing perfect
can I not have helloed? can you not have helloed? can she not have helloed? can we not have helloed? can you not have helloed? can they not have helloed?	can I not have been helloing? can you not have been helloing? can she not have been helloing? can we not have been helloing? can you not have been helloing? can they not have been helloing?