English verb conjugation
CAN HOLLOW

Regular verb: hollow - hollowed - hollowed

Affirmation

Simple form	V-ing form
I can hollow you can hollow he can hollow we can hollow you can hollow they can hollow	I can be hollowing you can be hollowing he can be hollowing we can be hollowing you can be hollowing they can be hollowing
Perfect	V-ing perfect
I can have hollowed you can have hollowed he can have hollowed we can have hollowed you can have hollowed they can have hollowed	I can have been hollowing you can have been hollowing he can have been hollowing we can have been hollowing you can have been hollowing they can have been hollowing

Negation

Simple form	V-ing form
I cannot hollow you cannot hollow he cannot hollow we cannot hollow you cannot hollow they cannot hollow	I cannot be hollowing you cannot be hollowing he cannot be hollowing we cannot be hollowing you cannot be hollowing they cannot be hollowing
Perfect	V-ing perfect
I cannot have hollowed you cannot have hollowed he cannot have hollowed we cannot have hollowed you cannot have hollowed they cannot have hollowed	I cannot have been hollowing you cannot have been hollowing he cannot have been hollowing we cannot have been hollowing you cannot have been hollowing they cannot have been hollowing

Interrogative form

Simple form	V-ing form
can I hollow? can you hollow? can he hollow? can we hollow? can you hollow? can they hollow?	can I be hollowing? can you be hollowing? can he be hollowing? can we be hollowing? can you be hollowing? can they be hollowing?
Perfect	V-ing perfect
can I have hollowed? can you have hollowed? can he have hollowed? can we have hollowed? can you have hollowed? can they have hollowed?	can I have been hollowing? can you have been hollowing? can he have been hollowing? can we have been hollowing? can you have been hollowing? can they have been hollowing?

Interro-negative form

Simple form	V-ing form
can I not hollow? can you not hollow? can he not hollow? can we not hollow? can you not hollow? can they not hollow?	can I not be hollowing? can you not be hollowing? can he not be hollowing? can we not be hollowing? can you not be hollowing? can they not be hollowing?
Perfect	V-ing perfect
can I not have hollowed? can you not have hollowed? can he not have hollowed? can we not have hollowed? can you not have hollowed? can they not have hollowed?	can I not have been hollowing? can you not have been hollowing? can he not have been hollowing? can we not have been hollowing? can you not have been hollowing? can they not have been hollowing?