I can prelude you can prelude he can prelude we can prelude you can prelude they can prelude
V-ing form
I can be preluding you can be preluding he can be preluding we can be preluding you can be preluding they can be preluding
Perfect
I can have preluded you can have preluded he can have preluded we can have preluded you can have preluded they can have preluded
V-ing perfect
I can have been preluding you can have been preluding he can have been preluding we can have been preluding you can have been preluding they can have been preluding
Negation
Simple form
I cannot prelude you cannot prelude he cannot prelude we cannot prelude you cannot prelude they cannot prelude
V-ing form
I cannot be preluding you cannot be preluding he cannot be preluding we cannot be preluding you cannot be preluding they cannot be preluding
Perfect
I cannot have preluded you cannot have preluded he cannot have preluded we cannot have preluded you cannot have preluded they cannot have preluded
V-ing perfect
I cannot have been preluding you cannot have been preluding he cannot have been preluding we cannot have been preluding you cannot have been preluding they cannot have been preluding
Interrogative form
Simple form
can I prelude? can you prelude? can he prelude? can we prelude? can you prelude? can they prelude?
V-ing form
can I be preluding? can you be preluding? can he be preluding? can we be preluding? can you be preluding? can they be preluding?
Perfect
can I have preluded? can you have preluded? can he have preluded? can we have preluded? can you have preluded? can they have preluded?
V-ing perfect
can I have been preluding? can you have been preluding? can he have been preluding? can we have been preluding? can you have been preluding? can they have been preluding?
Interro-negative form
Simple form
can I not prelude? can you not prelude? can he not prelude? can we not prelude? can you not prelude? can they not prelude?
V-ing form
can I not be preluding? can you not be preluding? can he not be preluding? can we not be preluding? can you not be preluding? can they not be preluding?
Perfect
can I not have preluded? can you not have preluded? can he not have preluded? can we not have preluded? can you not have preluded? can they not have preluded?
V-ing perfect
can I not have been preluding? can you not have been preluding? can he not have been preluding? can we not have been preluding? can you not have been preluding? can they not have been preluding?