English verb conjugation
COULD SOLIDIFY

Regular verb: solidify - solidified - solidified

Affirmation

Simple form	V-ing form
I could solidify you could solidify he could solidify we could solidify you could solidify they could solidify	I could be solidifying you could be solidifying he could be solidifying we could be solidifying you could be solidifying they could be solidifying
Perfect	V-ing perfect
I could have solidified you could have solidified he could have solidified we could have solidified you could have solidified they could have solidified	I could have been solidifying you could have been solidifying he could have been solidifying we could have been solidifying you could have been solidifying they could have been solidifying

Negation

Simple form	V-ing form
I could not solidify you could not solidify he could not solidify we could not solidify you could not solidify they could not solidify	I could not be solidifying you could not be solidifying he could not be solidifying we could not be solidifying you could not be solidifying they could not be solidifying
Perfect	V-ing perfect
I could not have solidified you could not have solidified he could not have solidified we could not have solidified you could not have solidified they could not have solidified	I could not have been solidifying you could not have been solidifying he could not have been solidifying we could not have been solidifying you could not have been solidifying they could not have been solidifying

Interrogative form

Simple form	V-ing form
could I solidify? could you solidify? could he solidify? could we solidify? could you solidify? could they solidify?	could I be solidifying? could you be solidifying? could he be solidifying? could we be solidifying? could you be solidifying? could they be solidifying?
Perfect	V-ing perfect
could I have solidified? could you have solidified? could he have solidified? could we have solidified? could you have solidified? could they have solidified?	could I have been solidifying? could you have been solidifying? could he have been solidifying? could we have been solidifying? could you have been solidifying? could they have been solidifying?

Interro-negative form

Simple form	V-ing form
could I not solidify? could you not solidify? could he not solidify? could we not solidify? could you not solidify? could they not solidify?	could I not be solidifying? could you not be solidifying? could he not be solidifying? could we not be solidifying? could you not be solidifying? could they not be solidifying?
Perfect	V-ing perfect
could I not have solidified? could you not have solidified? could he not have solidified? could we not have solidified? could you not have solidified? could they not have solidified?	could I not have been solidifying? could you not have been solidifying? could he not have been solidifying? could we not have been solidifying? could you not have been solidifying? could they not have been solidifying?