I can object you can object he can object we can object you can object they can object
V-ing form
I can be objecting you can be objecting he can be objecting we can be objecting you can be objecting they can be objecting
Perfect
I can have objected you can have objected he can have objected we can have objected you can have objected they can have objected
V-ing perfect
I can have been objecting you can have been objecting he can have been objecting we can have been objecting you can have been objecting they can have been objecting
Negation
Simple form
I cannot object you cannot object he cannot object we cannot object you cannot object they cannot object
V-ing form
I cannot be objecting you cannot be objecting he cannot be objecting we cannot be objecting you cannot be objecting they cannot be objecting
Perfect
I cannot have objected you cannot have objected he cannot have objected we cannot have objected you cannot have objected they cannot have objected
V-ing perfect
I cannot have been objecting you cannot have been objecting he cannot have been objecting we cannot have been objecting you cannot have been objecting they cannot have been objecting
Interrogative form
Simple form
can I object? can you object? can he object? can we object? can you object? can they object?
V-ing form
can I be objecting? can you be objecting? can he be objecting? can we be objecting? can you be objecting? can they be objecting?
Perfect
can I have objected? can you have objected? can he have objected? can we have objected? can you have objected? can they have objected?
V-ing perfect
can I have been objecting? can you have been objecting? can he have been objecting? can we have been objecting? can you have been objecting? can they have been objecting?
Interro-negative form
Simple form
can I not object? can you not object? can he not object? can we not object? can you not object? can they not object?
V-ing form
can I not be objecting? can you not be objecting? can he not be objecting? can we not be objecting? can you not be objecting? can they not be objecting?
Perfect
can I not have objected? can you not have objected? can he not have objected? can we not have objected? can you not have objected? can they not have objected?
V-ing perfect
can I not have been objecting? can you not have been objecting? can he not have been objecting? can we not have been objecting? can you not have been objecting? can they not have been objecting?