English verb conjugation
CAN FIZZ

Regular verb: fizz - fizzed - fizzed

Affirmation

Simple form	V-ing form
I can fizz you can fizz he can fizz we can fizz you can fizz they can fizz	I can be fizzing you can be fizzing he can be fizzing we can be fizzing you can be fizzing they can be fizzing
Perfect	V-ing perfect
I can have fizzed you can have fizzed he can have fizzed we can have fizzed you can have fizzed they can have fizzed	I can have been fizzing you can have been fizzing he can have been fizzing we can have been fizzing you can have been fizzing they can have been fizzing

Negation

Simple form	V-ing form
I can't fizz you can't fizz he can't fizz we can't fizz you can't fizz they can't fizz	I can't be fizzing you can't be fizzing he can't be fizzing we can't be fizzing you can't be fizzing they can't be fizzing
Perfect	V-ing perfect
I can't have fizzed you can't have fizzed he can't have fizzed we can't have fizzed you can't have fizzed they can't have fizzed	I can't have been fizzing you can't have been fizzing he can't have been fizzing we can't have been fizzing you can't have been fizzing they can't have been fizzing

Interrogative form

Simple form	V-ing form
can I fizz? can you fizz? can he fizz? can we fizz? can you fizz? can they fizz?	can I be fizzing? can you be fizzing? can he be fizzing? can we be fizzing? can you be fizzing? can they be fizzing?
Perfect	V-ing perfect
can I have fizzed? can you have fizzed? can he have fizzed? can we have fizzed? can you have fizzed? can they have fizzed?	can I have been fizzing? can you have been fizzing? can he have been fizzing? can we have been fizzing? can you have been fizzing? can they have been fizzing?

Interro-negative form

Simple form	V-ing form
can't I fizz? can't you fizz? can't he fizz? can't we fizz? can't you fizz? can't they fizz?	can't I be fizzing? can't you be fizzing? can't he be fizzing? can't we be fizzing? can't you be fizzing? can't they be fizzing?
Perfect	V-ing perfect
can't I have fizzed? can't you have fizzed? can't he have fizzed? can't we have fizzed? can't you have fizzed? can't they have fizzed?	can't I have been fizzing? can't you have been fizzing? can't he have been fizzing? can't we have been fizzing? can't you have been fizzing? can't they have been fizzing?