I could queue-jump you could queue-jump he could queue-jump we could queue-jump you could queue-jump they could queue-jump
V-ing form
I could be queue-jumping you could be queue-jumping he could be queue-jumping we could be queue-jumping you could be queue-jumping they could be queue-jumping
Perfect
I could have queue-jumped you could have queue-jumped he could have queue-jumped we could have queue-jumped you could have queue-jumped they could have queue-jumped
V-ing perfect
I could have been queue-jumping you could have been queue-jumping he could have been queue-jumping we could have been queue-jumping you could have been queue-jumping they could have been queue-jumping
Negation
Simple form
I could not queue-jump you could not queue-jump he could not queue-jump we could not queue-jump you could not queue-jump they could not queue-jump
V-ing form
I could not be queue-jumping you could not be queue-jumping he could not be queue-jumping we could not be queue-jumping you could not be queue-jumping they could not be queue-jumping
Perfect
I could not have queue-jumped you could not have queue-jumped he could not have queue-jumped we could not have queue-jumped you could not have queue-jumped they could not have queue-jumped
V-ing perfect
I could not have been queue-jumping you could not have been queue-jumping he could not have been queue-jumping we could not have been queue-jumping you could not have been queue-jumping they could not have been queue-jumping
Interrogative form
Simple form
could I queue-jump? could you queue-jump? could he queue-jump? could we queue-jump? could you queue-jump? could they queue-jump?
V-ing form
could I be queue-jumping? could you be queue-jumping? could he be queue-jumping? could we be queue-jumping? could you be queue-jumping? could they be queue-jumping?
Perfect
could I have queue-jumped? could you have queue-jumped? could he have queue-jumped? could we have queue-jumped? could you have queue-jumped? could they have queue-jumped?
V-ing perfect
could I have been queue-jumping? could you have been queue-jumping? could he have been queue-jumping? could we have been queue-jumping? could you have been queue-jumping? could they have been queue-jumping?
Interro-negative form
Simple form
could I not queue-jump? could you not queue-jump? could he not queue-jump? could we not queue-jump? could you not queue-jump? could they not queue-jump?
V-ing form
could I not be queue-jumping? could you not be queue-jumping? could he not be queue-jumping? could we not be queue-jumping? could you not be queue-jumping? could they not be queue-jumping?
Perfect
could I not have queue-jumped? could you not have queue-jumped? could he not have queue-jumped? could we not have queue-jumped? could you not have queue-jumped? could they not have queue-jumped?
V-ing perfect
could I not have been queue-jumping? could you not have been queue-jumping? could he not have been queue-jumping? could we not have been queue-jumping? could you not have been queue-jumping? could they not have been queue-jumping?