could fuzz
Regular verb: fuzz - fuzzed- fuzzed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could fuzz
you could fuzz
she could fuzz
we could fuzz
you could fuzz
they could fuzz 	I could be fuzzing
you could be fuzzing
she could be fuzzing
we could be fuzzing
you could be fuzzing
they could be fuzzing	I could have fuzzed
you could have fuzzed
she could have fuzzed
we could have fuzzed
you could have fuzzed
they could have fuzzed	I could have been fuzzing
you could have been fuzzing
she could have been fuzzing
we could have been fuzzing
you could have been fuzzing
they could have been fuzzing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't fuzz
you couldn't fuzz
she couldn't fuzz
we couldn't fuzz
you couldn't fuzz
they couldn't fuzz 	I couldn't be fuzzing
you couldn't be fuzzing
she couldn't be fuzzing
we couldn't be fuzzing
you couldn't be fuzzing
they couldn't be fuzzing	I couldn't have fuzzed
you couldn't have fuzzed
she couldn't have fuzzed
we couldn't have fuzzed
you couldn't have fuzzed
they couldn't have fuzzed	I couldn't have been fuzzing
you couldn't have been fuzzing
she couldn't have been fuzzing
we couldn't have been fuzzing
you couldn't have been fuzzing
they couldn't have been fuzzing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I fuzz?
could you fuzz?
could she fuzz?
could we fuzz?
could you fuzz?
could they fuzz? 	could I be fuzzing?
could you be fuzzing?
could she be fuzzing?
could we be fuzzing?
could you be fuzzing?
could they be fuzzing? 	could I have fuzzed?
could you have fuzzed?
could she have fuzzed?
could we have fuzzed?
could you have fuzzed?
could they have fuzzed? 	could I have been fuzzing?
could you have been fuzzing?
could she have been fuzzing?
could we have been fuzzing?
could you have been fuzzing?
could they have been fuzzing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I fuzz?
couldn't you fuzz?
couldn't she fuzz?
couldn't we fuzz?
couldn't you fuzz?
couldn't they fuzz? 	couldn't I be fuzzing?
couldn't you be fuzzing?
couldn't she be fuzzing?
couldn't we be fuzzing?
couldn't you be fuzzing?
couldn't they be fuzzing? 	couldn't I have fuzzed?
couldn't you have fuzzed?
couldn't she have fuzzed?
couldn't we have fuzzed?
couldn't you have fuzzed?
couldn't they have fuzzed? 	couldn't I have been fuzzing?
couldn't you have been fuzzing?
couldn't she have been fuzzing?
couldn't we have been fuzzing?
couldn't you have been fuzzing?
couldn't they have been fuzzing?