English verb conjugation
COULD ACIDIFY

Regular verb: acidify - acidified - acidified

Affirmation

Simple form	V-ing form
I could acidify you could acidify he could acidify we could acidify you could acidify they could acidify	I could be acidifying you could be acidifying he could be acidifying we could be acidifying you could be acidifying they could be acidifying
Perfect	V-ing perfect
I could have acidified you could have acidified he could have acidified we could have acidified you could have acidified they could have acidified	I could have been acidifying you could have been acidifying he could have been acidifying we could have been acidifying you could have been acidifying they could have been acidifying

Negation

Simple form	V-ing form
I could not acidify you could not acidify he could not acidify we could not acidify you could not acidify they could not acidify	I could not be acidifying you could not be acidifying he could not be acidifying we could not be acidifying you could not be acidifying they could not be acidifying
Perfect	V-ing perfect
I could not have acidified you could not have acidified he could not have acidified we could not have acidified you could not have acidified they could not have acidified	I could not have been acidifying you could not have been acidifying he could not have been acidifying we could not have been acidifying you could not have been acidifying they could not have been acidifying

Interrogative form

Simple form	V-ing form
could I acidify? could you acidify? could he acidify? could we acidify? could you acidify? could they acidify?	could I be acidifying? could you be acidifying? could he be acidifying? could we be acidifying? could you be acidifying? could they be acidifying?
Perfect	V-ing perfect
could I have acidified? could you have acidified? could he have acidified? could we have acidified? could you have acidified? could they have acidified?	could I have been acidifying? could you have been acidifying? could he have been acidifying? could we have been acidifying? could you have been acidifying? could they have been acidifying?

Interro-negative form

Simple form	V-ing form
could I not acidify? could you not acidify? could he not acidify? could we not acidify? could you not acidify? could they not acidify?	could I not be acidifying? could you not be acidifying? could he not be acidifying? could we not be acidifying? could you not be acidifying? could they not be acidifying?
Perfect	V-ing perfect
could I not have acidified? could you not have acidified? could he not have acidified? could we not have acidified? could you not have acidified? could they not have acidified?	could I not have been acidifying? could you not have been acidifying? could he not have been acidifying? could we not have been acidifying? could you not have been acidifying? could they not have been acidifying?