I could queue-jump you could queue-jump she 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 she 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 she 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 she 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 couldn't queue-jump you couldn't queue-jump she couldn't queue-jump we couldn't queue-jump you couldn't queue-jump they couldn't queue-jump
V-ing form
I couldn't be queue-jumping you couldn't be queue-jumping she couldn't be queue-jumping we couldn't be queue-jumping you couldn't be queue-jumping they couldn't be queue-jumping
Perfect
I couldn't have queue-jumped you couldn't have queue-jumped she couldn't have queue-jumped we couldn't have queue-jumped you couldn't have queue-jumped they couldn't have queue-jumped
V-ing perfect
I couldn't have been queue-jumping you couldn't have been queue-jumping she couldn't have been queue-jumping we couldn't have been queue-jumping you couldn't have been queue-jumping they couldn't have been queue-jumping
Interrogative form
Simple form
could I queue-jump? could you queue-jump? could she 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 she 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 she 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 she 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
couldn't I queue-jump? couldn't you queue-jump? couldn't she queue-jump? couldn't we queue-jump? couldn't you queue-jump? couldn't they queue-jump?
V-ing form
couldn't I be queue-jumping? couldn't you be queue-jumping? couldn't she be queue-jumping? couldn't we be queue-jumping? couldn't you be queue-jumping? couldn't they be queue-jumping?
Perfect
couldn't I have queue-jumped? couldn't you have queue-jumped? couldn't she have queue-jumped? couldn't we have queue-jumped? couldn't you have queue-jumped? couldn't they have queue-jumped?
V-ing perfect
couldn't I have been queue-jumping? couldn't you have been queue-jumping? couldn't she have been queue-jumping? couldn't we have been queue-jumping? couldn't you have been queue-jumping? couldn't they have been queue-jumping?