English verb conjugation
COULD DEMULSIFY

Regular verb: demulsify - demulsified - demulsified

Affirmation

Simple form	V-ing form
I could demulsify you could demulsify she could demulsify we could demulsify you could demulsify they could demulsify	I could be demulsifying you could be demulsifying she could be demulsifying we could be demulsifying you could be demulsifying they could be demulsifying
Perfect	V-ing perfect
I could have demulsified you could have demulsified she could have demulsified we could have demulsified you could have demulsified they could have demulsified	I could have been demulsifying you could have been demulsifying she could have been demulsifying we could have been demulsifying you could have been demulsifying they could have been demulsifying

Negation

Simple form	V-ing form
I couldn't demulsify you couldn't demulsify she couldn't demulsify we couldn't demulsify you couldn't demulsify they couldn't demulsify	I couldn't be demulsifying you couldn't be demulsifying she couldn't be demulsifying we couldn't be demulsifying you couldn't be demulsifying they couldn't be demulsifying
Perfect	V-ing perfect
I couldn't have demulsified you couldn't have demulsified she couldn't have demulsified we couldn't have demulsified you couldn't have demulsified they couldn't have demulsified	I couldn't have been demulsifying you couldn't have been demulsifying she couldn't have been demulsifying we couldn't have been demulsifying you couldn't have been demulsifying they couldn't have been demulsifying

Interrogative form

Simple form	V-ing form
could I demulsify? could you demulsify? could she demulsify? could we demulsify? could you demulsify? could they demulsify?	could I be demulsifying? could you be demulsifying? could she be demulsifying? could we be demulsifying? could you be demulsifying? could they be demulsifying?
Perfect	V-ing perfect
could I have demulsified? could you have demulsified? could she have demulsified? could we have demulsified? could you have demulsified? could they have demulsified?	could I have been demulsifying? could you have been demulsifying? could she have been demulsifying? could we have been demulsifying? could you have been demulsifying? could they have been demulsifying?

Interro-negative form

Simple form	V-ing form
couldn't I demulsify? couldn't you demulsify? couldn't she demulsify? couldn't we demulsify? couldn't you demulsify? couldn't they demulsify?	couldn't I be demulsifying? couldn't you be demulsifying? couldn't she be demulsifying? couldn't we be demulsifying? couldn't you be demulsifying? couldn't they be demulsifying?
Perfect	V-ing perfect
couldn't I have demulsified? couldn't you have demulsified? couldn't she have demulsified? couldn't we have demulsified? couldn't you have demulsified? couldn't they have demulsified?	couldn't I have been demulsifying? couldn't you have been demulsifying? couldn't she have been demulsifying? couldn't we have been demulsifying? couldn't you have been demulsifying? couldn't they have been demulsifying?