English verb conjugation
COULD DULCIFY

Regular verb: dulcify - dulcified - dulcified

Affirmation

Simple form	V-ing form
I could dulcify you could dulcify he could dulcify we could dulcify you could dulcify they could dulcify	I could be dulcifying you could be dulcifying he could be dulcifying we could be dulcifying you could be dulcifying they could be dulcifying
Perfect	V-ing perfect
I could have dulcified you could have dulcified he could have dulcified we could have dulcified you could have dulcified they could have dulcified	I could have been dulcifying you could have been dulcifying he could have been dulcifying we could have been dulcifying you could have been dulcifying they could have been dulcifying

Negation

Simple form	V-ing form
I couldn't dulcify you couldn't dulcify he couldn't dulcify we couldn't dulcify you couldn't dulcify they couldn't dulcify	I couldn't be dulcifying you couldn't be dulcifying he couldn't be dulcifying we couldn't be dulcifying you couldn't be dulcifying they couldn't be dulcifying
Perfect	V-ing perfect
I couldn't have dulcified you couldn't have dulcified he couldn't have dulcified we couldn't have dulcified you couldn't have dulcified they couldn't have dulcified	I couldn't have been dulcifying you couldn't have been dulcifying he couldn't have been dulcifying we couldn't have been dulcifying you couldn't have been dulcifying they couldn't have been dulcifying

Interrogative form

Simple form	V-ing form
could I dulcify? could you dulcify? could he dulcify? could we dulcify? could you dulcify? could they dulcify?	could I be dulcifying? could you be dulcifying? could he be dulcifying? could we be dulcifying? could you be dulcifying? could they be dulcifying?
Perfect	V-ing perfect
could I have dulcified? could you have dulcified? could he have dulcified? could we have dulcified? could you have dulcified? could they have dulcified?	could I have been dulcifying? could you have been dulcifying? could he have been dulcifying? could we have been dulcifying? could you have been dulcifying? could they have been dulcifying?

Interro-negative form

Simple form	V-ing form
couldn't I dulcify? couldn't you dulcify? couldn't he dulcify? couldn't we dulcify? couldn't you dulcify? couldn't they dulcify?	couldn't I be dulcifying? couldn't you be dulcifying? couldn't he be dulcifying? couldn't we be dulcifying? couldn't you be dulcifying? couldn't they be dulcifying?
Perfect	V-ing perfect
couldn't I have dulcified? couldn't you have dulcified? couldn't he have dulcified? couldn't we have dulcified? couldn't you have dulcified? couldn't they have dulcified?	couldn't I have been dulcifying? couldn't you have been dulcifying? couldn't he have been dulcifying? couldn't we have been dulcifying? couldn't you have been dulcifying? couldn't they have been dulcifying?