I can teletype you can teletype he can teletype we can teletype you can teletype they can teletype
V-ing form
I can be teletyping you can be teletyping he can be teletyping we can be teletyping you can be teletyping they can be teletyping
Perfect
I can have teletyped you can have teletyped he can have teletyped we can have teletyped you can have teletyped they can have teletyped
V-ing perfect
I can have been teletyping you can have been teletyping he can have been teletyping we can have been teletyping you can have been teletyping they can have been teletyping
Negation
Simple form
I cannot teletype you cannot teletype he cannot teletype we cannot teletype you cannot teletype they cannot teletype
V-ing form
I cannot be teletyping you cannot be teletyping he cannot be teletyping we cannot be teletyping you cannot be teletyping they cannot be teletyping
Perfect
I cannot have teletyped you cannot have teletyped he cannot have teletyped we cannot have teletyped you cannot have teletyped they cannot have teletyped
V-ing perfect
I cannot have been teletyping you cannot have been teletyping he cannot have been teletyping we cannot have been teletyping you cannot have been teletyping they cannot have been teletyping
Interrogative form
Simple form
can I teletype? can you teletype? can he teletype? can we teletype? can you teletype? can they teletype?
V-ing form
can I be teletyping? can you be teletyping? can he be teletyping? can we be teletyping? can you be teletyping? can they be teletyping?
Perfect
can I have teletyped? can you have teletyped? can he have teletyped? can we have teletyped? can you have teletyped? can they have teletyped?
V-ing perfect
can I have been teletyping? can you have been teletyping? can he have been teletyping? can we have been teletyping? can you have been teletyping? can they have been teletyping?
Interro-negative form
Simple form
can I not teletype? can you not teletype? can he not teletype? can we not teletype? can you not teletype? can they not teletype?
V-ing form
can I not be teletyping? can you not be teletyping? can he not be teletyping? can we not be teletyping? can you not be teletyping? can they not be teletyping?
Perfect
can I not have teletyped? can you not have teletyped? can he not have teletyped? can we not have teletyped? can you not have teletyped? can they not have teletyped?
V-ing perfect
can I not have been teletyping? can you not have been teletyping? can he not have been teletyping? can we not have been teletyping? can you not have been teletyping? can they not have been teletyping?