English verb conjugation
CAN GROWL

Regular verb: growl - growled - growled

Affirmation

Simple form	V-ing form
I can growl you can growl he can growl we can growl you can growl they can growl	I can be growling you can be growling he can be growling we can be growling you can be growling they can be growling
Perfect	V-ing perfect
I can have growled you can have growled he can have growled we can have growled you can have growled they can have growled	I can have been growling you can have been growling he can have been growling we can have been growling you can have been growling they can have been growling

Negation

Simple form	V-ing form
I can't growl you can't growl he can't growl we can't growl you can't growl they can't growl	I can't be growling you can't be growling he can't be growling we can't be growling you can't be growling they can't be growling
Perfect	V-ing perfect
I can't have growled you can't have growled he can't have growled we can't have growled you can't have growled they can't have growled	I can't have been growling you can't have been growling he can't have been growling we can't have been growling you can't have been growling they can't have been growling

Interrogative form

Simple form	V-ing form
can I growl? can you growl? can he growl? can we growl? can you growl? can they growl?	can I be growling? can you be growling? can he be growling? can we be growling? can you be growling? can they be growling?
Perfect	V-ing perfect
can I have growled? can you have growled? can he have growled? can we have growled? can you have growled? can they have growled?	can I have been growling? can you have been growling? can he have been growling? can we have been growling? can you have been growling? can they have been growling?

Interro-negative form

Simple form	V-ing form
can't I growl? can't you growl? can't he growl? can't we growl? can't you growl? can't they growl?	can't I be growling? can't you be growling? can't he be growling? can't we be growling? can't you be growling? can't they be growling?
Perfect	V-ing perfect
can't I have growled? can't you have growled? can't he have growled? can't we have growled? can't you have growled? can't they have growled?	can't I have been growling? can't you have been growling? can't he have been growling? can't we have been growling? can't you have been growling? can't they have been growling?