English verb conjugation
COULD ZOMBIFY

Regular verb: zombify - zombified - zombified

Affirmation

Simple form	V-ing form
I could zombify you could zombify he could zombify we could zombify you could zombify they could zombify	I could be zombifying you could be zombifying he could be zombifying we could be zombifying you could be zombifying they could be zombifying
Perfect	V-ing perfect
I could have zombified you could have zombified he could have zombified we could have zombified you could have zombified they could have zombified	I could have been zombifying you could have been zombifying he could have been zombifying we could have been zombifying you could have been zombifying they could have been zombifying

Negation

Simple form	V-ing form
I couldn't zombify you couldn't zombify he couldn't zombify we couldn't zombify you couldn't zombify they couldn't zombify	I couldn't be zombifying you couldn't be zombifying he couldn't be zombifying we couldn't be zombifying you couldn't be zombifying they couldn't be zombifying
Perfect	V-ing perfect
I couldn't have zombified you couldn't have zombified he couldn't have zombified we couldn't have zombified you couldn't have zombified they couldn't have zombified	I couldn't have been zombifying you couldn't have been zombifying he couldn't have been zombifying we couldn't have been zombifying you couldn't have been zombifying they couldn't have been zombifying

Interrogative form

Simple form	V-ing form
could I zombify? could you zombify? could he zombify? could we zombify? could you zombify? could they zombify?	could I be zombifying? could you be zombifying? could he be zombifying? could we be zombifying? could you be zombifying? could they be zombifying?
Perfect	V-ing perfect
could I have zombified? could you have zombified? could he have zombified? could we have zombified? could you have zombified? could they have zombified?	could I have been zombifying? could you have been zombifying? could he have been zombifying? could we have been zombifying? could you have been zombifying? could they have been zombifying?

Interro-negative form

Simple form	V-ing form
couldn't I zombify? couldn't you zombify? couldn't he zombify? couldn't we zombify? couldn't you zombify? couldn't they zombify?	couldn't I be zombifying? couldn't you be zombifying? couldn't he be zombifying? couldn't we be zombifying? couldn't you be zombifying? couldn't they be zombifying?
Perfect	V-ing perfect
couldn't I have zombified? couldn't you have zombified? couldn't he have zombified? couldn't we have zombified? couldn't you have zombified? couldn't they have zombified?	couldn't I have been zombifying? couldn't you have been zombifying? couldn't he have been zombifying? couldn't we have been zombifying? couldn't you have been zombifying? couldn't they have been zombifying?