English verb conjugation
COULD DISINFECT

Regular verb: disinfect - disinfected - disinfected

Affirmation

Simple form	V-ing form
I could disinfect you could disinfect he could disinfect we could disinfect you could disinfect they could disinfect	I could be disinfecting you could be disinfecting he could be disinfecting we could be disinfecting you could be disinfecting they could be disinfecting
Perfect	V-ing perfect
I could have disinfected you could have disinfected he could have disinfected we could have disinfected you could have disinfected they could have disinfected	I could have been disinfecting you could have been disinfecting he could have been disinfecting we could have been disinfecting you could have been disinfecting they could have been disinfecting

Negation

Simple form	V-ing form
I could not disinfect you could not disinfect he could not disinfect we could not disinfect you could not disinfect they could not disinfect	I could not be disinfecting you could not be disinfecting he could not be disinfecting we could not be disinfecting you could not be disinfecting they could not be disinfecting
Perfect	V-ing perfect
I could not have disinfected you could not have disinfected he could not have disinfected we could not have disinfected you could not have disinfected they could not have disinfected	I could not have been disinfecting you could not have been disinfecting he could not have been disinfecting we could not have been disinfecting you could not have been disinfecting they could not have been disinfecting

Interrogative form

Simple form	V-ing form
could I disinfect? could you disinfect? could he disinfect? could we disinfect? could you disinfect? could they disinfect?	could I be disinfecting? could you be disinfecting? could he be disinfecting? could we be disinfecting? could you be disinfecting? could they be disinfecting?
Perfect	V-ing perfect
could I have disinfected? could you have disinfected? could he have disinfected? could we have disinfected? could you have disinfected? could they have disinfected?	could I have been disinfecting? could you have been disinfecting? could he have been disinfecting? could we have been disinfecting? could you have been disinfecting? could they have been disinfecting?

Interro-negative form

Simple form	V-ing form
could I not disinfect? could you not disinfect? could he not disinfect? could we not disinfect? could you not disinfect? could they not disinfect?	could I not be disinfecting? could you not be disinfecting? could he not be disinfecting? could we not be disinfecting? could you not be disinfecting? could they not be disinfecting?
Perfect	V-ing perfect
could I not have disinfected? could you not have disinfected? could he not have disinfected? could we not have disinfected? could you not have disinfected? could they not have disinfected?	could I not have been disinfecting? could you not have been disinfecting? could he not have been disinfecting? could we not have been disinfecting? could you not have been disinfecting? could they not have been disinfecting?