English verb conjugation
COULD FLUIDIZE

Regular verb: fluidize - fluidized - fluidized

Affirmation

Simple form	V-ing form
I could fluidize you could fluidize she could fluidize we could fluidize you could fluidize they could fluidize	I could be fluidizing you could be fluidizing she could be fluidizing we could be fluidizing you could be fluidizing they could be fluidizing
Perfect	V-ing perfect
I could have fluidized you could have fluidized she could have fluidized we could have fluidized you could have fluidized they could have fluidized	I could have been fluidizing you could have been fluidizing she could have been fluidizing we could have been fluidizing you could have been fluidizing they could have been fluidizing

Negation

Simple form	V-ing form
I couldn't fluidize you couldn't fluidize she couldn't fluidize we couldn't fluidize you couldn't fluidize they couldn't fluidize	I couldn't be fluidizing you couldn't be fluidizing she couldn't be fluidizing we couldn't be fluidizing you couldn't be fluidizing they couldn't be fluidizing
Perfect	V-ing perfect
I couldn't have fluidized you couldn't have fluidized she couldn't have fluidized we couldn't have fluidized you couldn't have fluidized they couldn't have fluidized	I couldn't have been fluidizing you couldn't have been fluidizing she couldn't have been fluidizing we couldn't have been fluidizing you couldn't have been fluidizing they couldn't have been fluidizing

Interrogative form

Simple form	V-ing form
could I fluidize? could you fluidize? could she fluidize? could we fluidize? could you fluidize? could they fluidize?	could I be fluidizing? could you be fluidizing? could she be fluidizing? could we be fluidizing? could you be fluidizing? could they be fluidizing?
Perfect	V-ing perfect
could I have fluidized? could you have fluidized? could she have fluidized? could we have fluidized? could you have fluidized? could they have fluidized?	could I have been fluidizing? could you have been fluidizing? could she have been fluidizing? could we have been fluidizing? could you have been fluidizing? could they have been fluidizing?

Interro-negative form

Simple form	V-ing form
couldn't I fluidize? couldn't you fluidize? couldn't she fluidize? couldn't we fluidize? couldn't you fluidize? couldn't they fluidize?	couldn't I be fluidizing? couldn't you be fluidizing? couldn't she be fluidizing? couldn't we be fluidizing? couldn't you be fluidizing? couldn't they be fluidizing?
Perfect	V-ing perfect
couldn't I have fluidized? couldn't you have fluidized? couldn't she have fluidized? couldn't we have fluidized? couldn't you have fluidized? couldn't they have fluidized?	couldn't I have been fluidizing? couldn't you have been fluidizing? couldn't she have been fluidizing? couldn't we have been fluidizing? couldn't you have been fluidizing? couldn't they have been fluidizing?