can fizz
Regular verb: fizz - fizzed- fizzed

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