English verb conjugation
COULD SKYJACK

Regular verb: skyjack - skyjacked - skyjacked

Affirmation

Simple form	V-ing form
I could skyjack you could skyjack he could skyjack we could skyjack you could skyjack they could skyjack	I could be skyjacking you could be skyjacking he could be skyjacking we could be skyjacking you could be skyjacking they could be skyjacking
Perfect	V-ing perfect
I could have skyjacked you could have skyjacked he could have skyjacked we could have skyjacked you could have skyjacked they could have skyjacked	I could have been skyjacking you could have been skyjacking he could have been skyjacking we could have been skyjacking you could have been skyjacking they could have been skyjacking

Negation

Simple form	V-ing form
I couldn't skyjack you couldn't skyjack he couldn't skyjack we couldn't skyjack you couldn't skyjack they couldn't skyjack	I couldn't be skyjacking you couldn't be skyjacking he couldn't be skyjacking we couldn't be skyjacking you couldn't be skyjacking they couldn't be skyjacking
Perfect	V-ing perfect
I couldn't have skyjacked you couldn't have skyjacked he couldn't have skyjacked we couldn't have skyjacked you couldn't have skyjacked they couldn't have skyjacked	I couldn't have been skyjacking you couldn't have been skyjacking he couldn't have been skyjacking we couldn't have been skyjacking you couldn't have been skyjacking they couldn't have been skyjacking

Interrogative form

Simple form	V-ing form
could I skyjack? could you skyjack? could he skyjack? could we skyjack? could you skyjack? could they skyjack?	could I be skyjacking? could you be skyjacking? could he be skyjacking? could we be skyjacking? could you be skyjacking? could they be skyjacking?
Perfect	V-ing perfect
could I have skyjacked? could you have skyjacked? could he have skyjacked? could we have skyjacked? could you have skyjacked? could they have skyjacked?	could I have been skyjacking? could you have been skyjacking? could he have been skyjacking? could we have been skyjacking? could you have been skyjacking? could they have been skyjacking?

Interro-negative form

Simple form	V-ing form
couldn't I skyjack? couldn't you skyjack? couldn't he skyjack? couldn't we skyjack? couldn't you skyjack? couldn't they skyjack?	couldn't I be skyjacking? couldn't you be skyjacking? couldn't he be skyjacking? couldn't we be skyjacking? couldn't you be skyjacking? couldn't they be skyjacking?
Perfect	V-ing perfect
couldn't I have skyjacked? couldn't you have skyjacked? couldn't he have skyjacked? couldn't we have skyjacked? couldn't you have skyjacked? couldn't they have skyjacked?	couldn't I have been skyjacking? couldn't you have been skyjacking? couldn't he have been skyjacking? couldn't we have been skyjacking? couldn't you have been skyjacking? couldn't they have been skyjacking?