English verb conjugation
COULD SABOTAGE

Regular verb: sabotage - sabotaged - sabotaged

Affirmation

Simple form	V-ing form
I could sabotage you could sabotage he could sabotage we could sabotage you could sabotage they could sabotage	I could be sabotaging you could be sabotaging he could be sabotaging we could be sabotaging you could be sabotaging they could be sabotaging
Perfect	V-ing perfect
I could have sabotaged you could have sabotaged he could have sabotaged we could have sabotaged you could have sabotaged they could have sabotaged	I could have been sabotaging you could have been sabotaging he could have been sabotaging we could have been sabotaging you could have been sabotaging they could have been sabotaging

Negation

Simple form	V-ing form
I couldn't sabotage you couldn't sabotage he couldn't sabotage we couldn't sabotage you couldn't sabotage they couldn't sabotage	I couldn't be sabotaging you couldn't be sabotaging he couldn't be sabotaging we couldn't be sabotaging you couldn't be sabotaging they couldn't be sabotaging
Perfect	V-ing perfect
I couldn't have sabotaged you couldn't have sabotaged he couldn't have sabotaged we couldn't have sabotaged you couldn't have sabotaged they couldn't have sabotaged	I couldn't have been sabotaging you couldn't have been sabotaging he couldn't have been sabotaging we couldn't have been sabotaging you couldn't have been sabotaging they couldn't have been sabotaging

Interrogative form

Simple form	V-ing form
could I sabotage? could you sabotage? could he sabotage? could we sabotage? could you sabotage? could they sabotage?	could I be sabotaging? could you be sabotaging? could he be sabotaging? could we be sabotaging? could you be sabotaging? could they be sabotaging?
Perfect	V-ing perfect
could I have sabotaged? could you have sabotaged? could he have sabotaged? could we have sabotaged? could you have sabotaged? could they have sabotaged?	could I have been sabotaging? could you have been sabotaging? could he have been sabotaging? could we have been sabotaging? could you have been sabotaging? could they have been sabotaging?

Interro-negative form

Simple form	V-ing form
couldn't I sabotage? couldn't you sabotage? couldn't he sabotage? couldn't we sabotage? couldn't you sabotage? couldn't they sabotage?	couldn't I be sabotaging? couldn't you be sabotaging? couldn't he be sabotaging? couldn't we be sabotaging? couldn't you be sabotaging? couldn't they be sabotaging?
Perfect	V-ing perfect
couldn't I have sabotaged? couldn't you have sabotaged? couldn't he have sabotaged? couldn't we have sabotaged? couldn't you have sabotaged? couldn't they have sabotaged?	couldn't I have been sabotaging? couldn't you have been sabotaging? couldn't he have been sabotaging? couldn't we have been sabotaging? couldn't you have been sabotaging? couldn't they have been sabotaging?