I can confuse you can confuse she can confuse we can confuse you can confuse they can confuse
V-ing form
I can be confusing you can be confusing she can be confusing we can be confusing you can be confusing they can be confusing
Perfect
I can have confused you can have confused she can have confused we can have confused you can have confused they can have confused
V-ing perfect
I can have been confusing you can have been confusing she can have been confusing we can have been confusing you can have been confusing they can have been confusing
Negation
Simple form
I can't confuse you can't confuse she can't confuse we can't confuse you can't confuse they can't confuse
V-ing form
I can't be confusing you can't be confusing she can't be confusing we can't be confusing you can't be confusing they can't be confusing
Perfect
I can't have confused you can't have confused she can't have confused we can't have confused you can't have confused they can't have confused
V-ing perfect
I can't have been confusing you can't have been confusing she can't have been confusing we can't have been confusing you can't have been confusing they can't have been confusing
Interrogative form
Simple form
can I confuse? can you confuse? can she confuse? can we confuse? can you confuse? can they confuse?
V-ing form
can I be confusing? can you be confusing? can she be confusing? can we be confusing? can you be confusing? can they be confusing?
Perfect
can I have confused? can you have confused? can she have confused? can we have confused? can you have confused? can they have confused?
V-ing perfect
can I have been confusing? can you have been confusing? can she have been confusing? can we have been confusing? can you have been confusing? can they have been confusing?
Interro-negative form
Simple form
can't I confuse? can't you confuse? can't she confuse? can't we confuse? can't you confuse? can't they confuse?
V-ing form
can't I be confusing? can't you be confusing? can't she be confusing? can't we be confusing? can't you be confusing? can't they be confusing?
Perfect
can't I have confused? can't you have confused? can't she have confused? can't we have confused? can't you have confused? can't they have confused?
V-ing perfect
can't I have been confusing? can't you have been confusing? can't she have been confusing? can't we have been confusing? can't you have been confusing? can't they have been confusing?