English verb conjugation
COULD FLOUNDER

Regular verb: flounder - floundered - floundered

Affirmation

Simple form	V-ing form
I could flounder you could flounder he could flounder we could flounder you could flounder they could flounder	I could be floundering you could be floundering he could be floundering we could be floundering you could be floundering they could be floundering
Perfect	V-ing perfect
I could have floundered you could have floundered he could have floundered we could have floundered you could have floundered they could have floundered	I could have been floundering you could have been floundering he could have been floundering we could have been floundering you could have been floundering they could have been floundering

Negation

Simple form	V-ing form
I couldn't flounder you couldn't flounder he couldn't flounder we couldn't flounder you couldn't flounder they couldn't flounder	I couldn't be floundering you couldn't be floundering he couldn't be floundering we couldn't be floundering you couldn't be floundering they couldn't be floundering
Perfect	V-ing perfect
I couldn't have floundered you couldn't have floundered he couldn't have floundered we couldn't have floundered you couldn't have floundered they couldn't have floundered	I couldn't have been floundering you couldn't have been floundering he couldn't have been floundering we couldn't have been floundering you couldn't have been floundering they couldn't have been floundering

Interrogative form

Simple form	V-ing form
could I flounder? could you flounder? could he flounder? could we flounder? could you flounder? could they flounder?	could I be floundering? could you be floundering? could he be floundering? could we be floundering? could you be floundering? could they be floundering?
Perfect	V-ing perfect
could I have floundered? could you have floundered? could he have floundered? could we have floundered? could you have floundered? could they have floundered?	could I have been floundering? could you have been floundering? could he have been floundering? could we have been floundering? could you have been floundering? could they have been floundering?

Interro-negative form

Simple form	V-ing form
couldn't I flounder? couldn't you flounder? couldn't he flounder? couldn't we flounder? couldn't you flounder? couldn't they flounder?	couldn't I be floundering? couldn't you be floundering? couldn't he be floundering? couldn't we be floundering? couldn't you be floundering? couldn't they be floundering?
Perfect	V-ing perfect
couldn't I have floundered? couldn't you have floundered? couldn't he have floundered? couldn't we have floundered? couldn't you have floundered? couldn't they have floundered?	couldn't I have been floundering? couldn't you have been floundering? couldn't he have been floundering? couldn't we have been floundering? couldn't you have been floundering? couldn't they have been floundering?