English verb conjugation
COULD HYDROLYZE

Regular verb: hydrolyze - hydrolyzed - hydrolyzed

Affirmation

Simple form	V-ing form
I could hydrolyze you could hydrolyze he could hydrolyze we could hydrolyze you could hydrolyze they could hydrolyze	I could be hydrolyzing you could be hydrolyzing he could be hydrolyzing we could be hydrolyzing you could be hydrolyzing they could be hydrolyzing
Perfect	V-ing perfect
I could have hydrolyzed you could have hydrolyzed he could have hydrolyzed we could have hydrolyzed you could have hydrolyzed they could have hydrolyzed	I could have been hydrolyzing you could have been hydrolyzing he could have been hydrolyzing we could have been hydrolyzing you could have been hydrolyzing they could have been hydrolyzing

Negation

Simple form	V-ing form
I couldn't hydrolyze you couldn't hydrolyze he couldn't hydrolyze we couldn't hydrolyze you couldn't hydrolyze they couldn't hydrolyze	I couldn't be hydrolyzing you couldn't be hydrolyzing he couldn't be hydrolyzing we couldn't be hydrolyzing you couldn't be hydrolyzing they couldn't be hydrolyzing
Perfect	V-ing perfect
I couldn't have hydrolyzed you couldn't have hydrolyzed he couldn't have hydrolyzed we couldn't have hydrolyzed you couldn't have hydrolyzed they couldn't have hydrolyzed	I couldn't have been hydrolyzing you couldn't have been hydrolyzing he couldn't have been hydrolyzing we couldn't have been hydrolyzing you couldn't have been hydrolyzing they couldn't have been hydrolyzing

Interrogative form

Simple form	V-ing form
could I hydrolyze? could you hydrolyze? could he hydrolyze? could we hydrolyze? could you hydrolyze? could they hydrolyze?	could I be hydrolyzing? could you be hydrolyzing? could he be hydrolyzing? could we be hydrolyzing? could you be hydrolyzing? could they be hydrolyzing?
Perfect	V-ing perfect
could I have hydrolyzed? could you have hydrolyzed? could he have hydrolyzed? could we have hydrolyzed? could you have hydrolyzed? could they have hydrolyzed?	could I have been hydrolyzing? could you have been hydrolyzing? could he have been hydrolyzing? could we have been hydrolyzing? could you have been hydrolyzing? could they have been hydrolyzing?

Interro-negative form

Simple form	V-ing form
couldn't I hydrolyze? couldn't you hydrolyze? couldn't he hydrolyze? couldn't we hydrolyze? couldn't you hydrolyze? couldn't they hydrolyze?	couldn't I be hydrolyzing? couldn't you be hydrolyzing? couldn't he be hydrolyzing? couldn't we be hydrolyzing? couldn't you be hydrolyzing? couldn't they be hydrolyzing?
Perfect	V-ing perfect
couldn't I have hydrolyzed? couldn't you have hydrolyzed? couldn't he have hydrolyzed? couldn't we have hydrolyzed? couldn't you have hydrolyzed? couldn't they have hydrolyzed?	couldn't I have been hydrolyzing? couldn't you have been hydrolyzing? couldn't he have been hydrolyzing? couldn't we have been hydrolyzing? couldn't you have been hydrolyzing? couldn't they have been hydrolyzing?