male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to
English verb conjugation COULD FIZZ
Regular verb: fizz - fizzed - fizzed
Affirmation
Simple form
I could fizzyou could fizz
she could fizz
we could fizz
you could fizz
they could fizz
V-ing form
I could be fizzingyou could be fizzing
she could be fizzing
we could be fizzing
you could be fizzing
they could be fizzing
Perfect
I could have fizzedyou could have fizzed
she could have fizzed
we could have fizzed
you could have fizzed
they could have fizzed
V-ing perfect
I could have been fizzingyou could have been fizzing
she could have been fizzing
we could have been fizzing
you could have been fizzing
they could have been fizzing
Negation
Simple form
I couldn't fizzyou couldn't fizz
she couldn't fizz
we couldn't fizz
you couldn't fizz
they couldn't fizz
V-ing form
I couldn't be fizzingyou couldn't be fizzing
she couldn't be fizzing
we couldn't be fizzing
you couldn't be fizzing
they couldn't be fizzing
Perfect
I couldn't have fizzedyou couldn't have fizzed
she couldn't have fizzed
we couldn't have fizzed
you couldn't have fizzed
they couldn't have fizzed
V-ing perfect
I couldn't have been fizzingyou couldn't have been fizzing
she couldn't have been fizzing
we couldn't have been fizzing
you couldn't have been fizzing
they couldn't have been fizzing
Interrogative form
Simple form
could I fizz?could you fizz?
could she fizz?
could we fizz?
could you fizz?
could they fizz?
V-ing form
could I be fizzing?could you be fizzing?
could she be fizzing?
could we be fizzing?
could you be fizzing?
could they be fizzing?
Perfect
could I have fizzed?could you have fizzed?
could she have fizzed?
could we have fizzed?
could you have fizzed?
could they have fizzed?
V-ing perfect
could I have been fizzing?could you have been fizzing?
could she have been fizzing?
could we have been fizzing?
could you have been fizzing?
could they have been fizzing?
Interro-negative form
Simple form
couldn't I fizz?couldn't you fizz?
couldn't she fizz?
couldn't we fizz?
couldn't you fizz?
couldn't they fizz?
V-ing form
couldn't I be fizzing?couldn't you be fizzing?
couldn't she be fizzing?
couldn't we be fizzing?
couldn't you be fizzing?
couldn't they be fizzing?
Perfect
couldn't I have fizzed?couldn't you have fizzed?
couldn't she have fizzed?
couldn't we have fizzed?
couldn't you have fizzed?
couldn't they have fizzed?
V-ing perfect
couldn't I have been fizzing?couldn't you have been fizzing?
couldn't she have been fizzing?
couldn't we have been fizzing?
couldn't you have been fizzing?
couldn't they have been fizzing?