Regular verb: open open - open opened - open opened
Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I can open open you can open open he can open open we can open open you can open open they can open open
V-ing form
I can be open opening you can be open opening he can be open opening we can be open opening you can be open opening they can be open opening
Perfect
I can have open opened you can have open opened he can have open opened we can have open opened you can have open opened they can have open opened
V-ing perfect
I can have been open opening you can have been open opening he can have been open opening we can have been open opening you can have been open opening they can have been open opening
Negation
Simple form
I cannot open open you cannot open open he cannot open open we cannot open open you cannot open open they cannot open open
V-ing form
I cannot be open opening you cannot be open opening he cannot be open opening we cannot be open opening you cannot be open opening they cannot be open opening
Perfect
I cannot have open opened you cannot have open opened he cannot have open opened we cannot have open opened you cannot have open opened they cannot have open opened
V-ing perfect
I cannot have been open opening you cannot have been open opening he cannot have been open opening we cannot have been open opening you cannot have been open opening they cannot have been open opening
Interrogative form
Simple form
can I open open? can you open open? can he open open? can we open open? can you open open? can they open open?
V-ing form
can I be open opening? can you be open opening? can he be open opening? can we be open opening? can you be open opening? can they be open opening?
Perfect
can I have open opened? can you have open opened? can he have open opened? can we have open opened? can you have open opened? can they have open opened?
V-ing perfect
can I have been open opening? can you have been open opening? can he have been open opening? can we have been open opening? can you have been open opening? can they have been open opening?
Interro-negative form
Simple form
can I not open open? can you not open open? can he not open open? can we not open open? can you not open open? can they not open open?
V-ing form
can I not be open opening? can you not be open opening? can he not be open opening? can we not be open opening? can you not be open opening? can they not be open opening?
Perfect
can I not have open opened? can you not have open opened? can he not have open opened? can we not have open opened? can you not have open opened? can they not have open opened?
V-ing perfect
can I not have been open opening? can you not have been open opening? can he not have been open opening? can we not have been open opening? can you not have been open opening? can they not have been open opening?