I could re-enter you could re-enter he could re-enter we could re-enter you could re-enter they could re-enter
V-ing form
I could be re-entering you could be re-entering he could be re-entering we could be re-entering you could be re-entering they could be re-entering
Perfect
I could have re-entered you could have re-entered he could have re-entered we could have re-entered you could have re-entered they could have re-entered
V-ing perfect
I could have been re-entering you could have been re-entering he could have been re-entering we could have been re-entering you could have been re-entering they could have been re-entering
Negation
Simple form
I couldn't re-enter you couldn't re-enter he couldn't re-enter we couldn't re-enter you couldn't re-enter they couldn't re-enter
V-ing form
I couldn't be re-entering you couldn't be re-entering he couldn't be re-entering we couldn't be re-entering you couldn't be re-entering they couldn't be re-entering
Perfect
I couldn't have re-entered you couldn't have re-entered he couldn't have re-entered we couldn't have re-entered you couldn't have re-entered they couldn't have re-entered
V-ing perfect
I couldn't have been re-entering you couldn't have been re-entering he couldn't have been re-entering we couldn't have been re-entering you couldn't have been re-entering they couldn't have been re-entering
Interrogative form
Simple form
could I re-enter? could you re-enter? could he re-enter? could we re-enter? could you re-enter? could they re-enter?
V-ing form
could I be re-entering? could you be re-entering? could he be re-entering? could we be re-entering? could you be re-entering? could they be re-entering?
Perfect
could I have re-entered? could you have re-entered? could he have re-entered? could we have re-entered? could you have re-entered? could they have re-entered?
V-ing perfect
could I have been re-entering? could you have been re-entering? could he have been re-entering? could we have been re-entering? could you have been re-entering? could they have been re-entering?
Interro-negative form
Simple form
couldn't I re-enter? couldn't you re-enter? couldn't he re-enter? couldn't we re-enter? couldn't you re-enter? couldn't they re-enter?
V-ing form
couldn't I be re-entering? couldn't you be re-entering? couldn't he be re-entering? couldn't we be re-entering? couldn't you be re-entering? couldn't they be re-entering?
Perfect
couldn't I have re-entered? couldn't you have re-entered? couldn't he have re-entered? couldn't we have re-entered? couldn't you have re-entered? couldn't they have re-entered?
V-ing perfect
couldn't I have been re-entering? couldn't you have been re-entering? couldn't he have been re-entering? couldn't we have been re-entering? couldn't you have been re-entering? couldn't they have been re-entering?