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 she 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 she 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 she 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 she 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 can't open open you can't open open she can't open open we can't open open you can't open open they can't open open
V-ing form
I can't be open opening you can't be open opening she can't be open opening we can't be open opening you can't be open opening they can't be open opening
Perfect
I can't have open opened you can't have open opened she can't have open opened we can't have open opened you can't have open opened they can't have open opened
V-ing perfect
I can't have been open opening you can't have been open opening she can't have been open opening we can't have been open opening you can't have been open opening they can't have been open opening
Interrogative form
Simple form
can I open open? can you open open? can she 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 she 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 she 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 she 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't I open open? can't you open open? can't she open open? can't we open open? can't you open open? can't they open open?
V-ing form
can't I be open opening? can't you be open opening? can't she be open opening? can't we be open opening? can't you be open opening? can't they be open opening?
Perfect
can't I have open opened? can't you have open opened? can't she have open opened? can't we have open opened? can't you have open opened? can't they have open opened?
V-ing perfect
can't I have been open opening? can't you have been open opening? can't she have been open opening? can't we have been open opening? can't you have been open opening? can't they have been open opening?