English verb conjugation
COULD SKYJACK

Regular verb: skyjack - skyjacked - skyjacked

Affirmation

Simple form	V-ing form
I could skyjack you could skyjack she could skyjack we could skyjack you could skyjack they could skyjack	I could be skyjacking you could be skyjacking she 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 she 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 she 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 she 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 she 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 she 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 she 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 she skyjack? could we skyjack? could you skyjack? could they skyjack?	could I be skyjacking? could you be skyjacking? could she 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 she 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 she 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 she 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 she 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 she 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 she have been skyjacking? couldn't we have been skyjacking? couldn't you have been skyjacking? couldn't they have been skyjacking?