English verb conjugation
COULD TICKTOCK

Regular verb: ticktock - ticktocked - ticktocked

Affirmation

Simple form	V-ing form
I could ticktock you could ticktock he could ticktock we could ticktock you could ticktock they could ticktock	I could be ticktocking you could be ticktocking he could be ticktocking we could be ticktocking you could be ticktocking they could be ticktocking
Perfect	V-ing perfect
I could have ticktocked you could have ticktocked he could have ticktocked we could have ticktocked you could have ticktocked they could have ticktocked	I could have been ticktocking you could have been ticktocking he could have been ticktocking we could have been ticktocking you could have been ticktocking they could have been ticktocking

Negation

Simple form	V-ing form
I could not ticktock you could not ticktock he could not ticktock we could not ticktock you could not ticktock they could not ticktock	I could not be ticktocking you could not be ticktocking he could not be ticktocking we could not be ticktocking you could not be ticktocking they could not be ticktocking
Perfect	V-ing perfect
I could not have ticktocked you could not have ticktocked he could not have ticktocked we could not have ticktocked you could not have ticktocked they could not have ticktocked	I could not have been ticktocking you could not have been ticktocking he could not have been ticktocking we could not have been ticktocking you could not have been ticktocking they could not have been ticktocking

Interrogative form

Simple form	V-ing form
could I ticktock? could you ticktock? could he ticktock? could we ticktock? could you ticktock? could they ticktock?	could I be ticktocking? could you be ticktocking? could he be ticktocking? could we be ticktocking? could you be ticktocking? could they be ticktocking?
Perfect	V-ing perfect
could I have ticktocked? could you have ticktocked? could he have ticktocked? could we have ticktocked? could you have ticktocked? could they have ticktocked?	could I have been ticktocking? could you have been ticktocking? could he have been ticktocking? could we have been ticktocking? could you have been ticktocking? could they have been ticktocking?

Interro-negative form

Simple form	V-ing form
could I not ticktock? could you not ticktock? could he not ticktock? could we not ticktock? could you not ticktock? could they not ticktock?	could I not be ticktocking? could you not be ticktocking? could he not be ticktocking? could we not be ticktocking? could you not be ticktocking? could they not be ticktocking?
Perfect	V-ing perfect
could I not have ticktocked? could you not have ticktocked? could he not have ticktocked? could we not have ticktocked? could you not have ticktocked? could they not have ticktocked?	could I not have been ticktocking? could you not have been ticktocking? could he not have been ticktocking? could we not have been ticktocking? could you not have been ticktocking? could they not have been ticktocking?