I can chapter you can chapter she can chapter we can chapter you can chapter they can chapter
V-ing form
I can be chaptering you can be chaptering she can be chaptering we can be chaptering you can be chaptering they can be chaptering
Perfect
I can have chaptered you can have chaptered she can have chaptered we can have chaptered you can have chaptered they can have chaptered
V-ing perfect
I can have been chaptering you can have been chaptering she can have been chaptering we can have been chaptering you can have been chaptering they can have been chaptering
Negation
Simple form
I cannot chapter you cannot chapter she cannot chapter we cannot chapter you cannot chapter they cannot chapter
V-ing form
I cannot be chaptering you cannot be chaptering she cannot be chaptering we cannot be chaptering you cannot be chaptering they cannot be chaptering
Perfect
I cannot have chaptered you cannot have chaptered she cannot have chaptered we cannot have chaptered you cannot have chaptered they cannot have chaptered
V-ing perfect
I cannot have been chaptering you cannot have been chaptering she cannot have been chaptering we cannot have been chaptering you cannot have been chaptering they cannot have been chaptering
Interrogative form
Simple form
can I chapter? can you chapter? can she chapter? can we chapter? can you chapter? can they chapter?
V-ing form
can I be chaptering? can you be chaptering? can she be chaptering? can we be chaptering? can you be chaptering? can they be chaptering?
Perfect
can I have chaptered? can you have chaptered? can she have chaptered? can we have chaptered? can you have chaptered? can they have chaptered?
V-ing perfect
can I have been chaptering? can you have been chaptering? can she have been chaptering? can we have been chaptering? can you have been chaptering? can they have been chaptering?
Interro-negative form
Simple form
can I not chapter? can you not chapter? can she not chapter? can we not chapter? can you not chapter? can they not chapter?
V-ing form
can I not be chaptering? can you not be chaptering? can she not be chaptering? can we not be chaptering? can you not be chaptering? can they not be chaptering?
Perfect
can I not have chaptered? can you not have chaptered? can she not have chaptered? can we not have chaptered? can you not have chaptered? can they not have chaptered?
V-ing perfect
can I not have been chaptering? can you not have been chaptering? can she not have been chaptering? can we not have been chaptering? can you not have been chaptering? can they not have been chaptering?