I can emit you can emit he can emit we can emit you can emit they can emit
V-ing form
I can be emitting you can be emitting he can be emitting we can be emitting you can be emitting they can be emitting
Perfect
I can have emitted you can have emitted he can have emitted we can have emitted you can have emitted they can have emitted
V-ing perfect
I can have been emitting you can have been emitting he can have been emitting we can have been emitting you can have been emitting they can have been emitting
Negation
Simple form
I can't emit you can't emit he can't emit we can't emit you can't emit they can't emit
V-ing form
I can't be emitting you can't be emitting he can't be emitting we can't be emitting you can't be emitting they can't be emitting
Perfect
I can't have emitted you can't have emitted he can't have emitted we can't have emitted you can't have emitted they can't have emitted
V-ing perfect
I can't have been emitting you can't have been emitting he can't have been emitting we can't have been emitting you can't have been emitting they can't have been emitting
Interrogative form
Simple form
can I emit? can you emit? can he emit? can we emit? can you emit? can they emit?
V-ing form
can I be emitting? can you be emitting? can he be emitting? can we be emitting? can you be emitting? can they be emitting?
Perfect
can I have emitted? can you have emitted? can he have emitted? can we have emitted? can you have emitted? can they have emitted?
V-ing perfect
can I have been emitting? can you have been emitting? can he have been emitting? can we have been emitting? can you have been emitting? can they have been emitting?
Interro-negative form
Simple form
can't I emit? can't you emit? can't he emit? can't we emit? can't you emit? can't they emit?
V-ing form
can't I be emitting? can't you be emitting? can't he be emitting? can't we be emitting? can't you be emitting? can't they be emitting?
Perfect
can't I have emitted? can't you have emitted? can't he have emitted? can't we have emitted? can't you have emitted? can't they have emitted?
V-ing perfect
can't I have been emitting? can't you have been emitting? can't he have been emitting? can't we have been emitting? can't you have been emitting? can't they have been emitting?