English verb conjugation
COULD FIZZLE

Regular verb: fizzle - fizzled - fizzled

Affirmation

Simple form	V-ing form
I could fizzle you could fizzle she could fizzle we could fizzle you could fizzle they could fizzle	I could be fizzling you could be fizzling she could be fizzling we could be fizzling you could be fizzling they could be fizzling
Perfect	V-ing perfect
I could have fizzled you could have fizzled she could have fizzled we could have fizzled you could have fizzled they could have fizzled	I could have been fizzling you could have been fizzling she could have been fizzling we could have been fizzling you could have been fizzling they could have been fizzling

Negation

Simple form	V-ing form
I couldn't fizzle you couldn't fizzle she couldn't fizzle we couldn't fizzle you couldn't fizzle they couldn't fizzle	I couldn't be fizzling you couldn't be fizzling she couldn't be fizzling we couldn't be fizzling you couldn't be fizzling they couldn't be fizzling
Perfect	V-ing perfect
I couldn't have fizzled you couldn't have fizzled she couldn't have fizzled we couldn't have fizzled you couldn't have fizzled they couldn't have fizzled	I couldn't have been fizzling you couldn't have been fizzling she couldn't have been fizzling we couldn't have been fizzling you couldn't have been fizzling they couldn't have been fizzling

Interrogative form

Simple form	V-ing form
could I fizzle? could you fizzle? could she fizzle? could we fizzle? could you fizzle? could they fizzle?	could I be fizzling? could you be fizzling? could she be fizzling? could we be fizzling? could you be fizzling? could they be fizzling?
Perfect	V-ing perfect
could I have fizzled? could you have fizzled? could she have fizzled? could we have fizzled? could you have fizzled? could they have fizzled?	could I have been fizzling? could you have been fizzling? could she have been fizzling? could we have been fizzling? could you have been fizzling? could they have been fizzling?

Interro-negative form

Simple form	V-ing form
couldn't I fizzle? couldn't you fizzle? couldn't she fizzle? couldn't we fizzle? couldn't you fizzle? couldn't they fizzle?	couldn't I be fizzling? couldn't you be fizzling? couldn't she be fizzling? couldn't we be fizzling? couldn't you be fizzling? couldn't they be fizzling?
Perfect	V-ing perfect
couldn't I have fizzled? couldn't you have fizzled? couldn't she have fizzled? couldn't we have fizzled? couldn't you have fizzled? couldn't they have fizzled?	couldn't I have been fizzling? couldn't you have been fizzling? couldn't she have been fizzling? couldn't we have been fizzling? couldn't you have been fizzling? couldn't they have been fizzling?