I can malfunction you can malfunction he can malfunction we can malfunction you can malfunction they can malfunction
V-ing form
I can be malfunctioning you can be malfunctioning he can be malfunctioning we can be malfunctioning you can be malfunctioning they can be malfunctioning
Perfect
I can have malfunctioned you can have malfunctioned he can have malfunctioned we can have malfunctioned you can have malfunctioned they can have malfunctioned
V-ing perfect
I can have been malfunctioning you can have been malfunctioning he can have been malfunctioning we can have been malfunctioning you can have been malfunctioning they can have been malfunctioning
Negation
Simple form
I cannot malfunction you cannot malfunction he cannot malfunction we cannot malfunction you cannot malfunction they cannot malfunction
V-ing form
I cannot be malfunctioning you cannot be malfunctioning he cannot be malfunctioning we cannot be malfunctioning you cannot be malfunctioning they cannot be malfunctioning
Perfect
I cannot have malfunctioned you cannot have malfunctioned he cannot have malfunctioned we cannot have malfunctioned you cannot have malfunctioned they cannot have malfunctioned
V-ing perfect
I cannot have been malfunctioning you cannot have been malfunctioning he cannot have been malfunctioning we cannot have been malfunctioning you cannot have been malfunctioning they cannot have been malfunctioning
Interrogative form
Simple form
can I malfunction? can you malfunction? can he malfunction? can we malfunction? can you malfunction? can they malfunction?
V-ing form
can I be malfunctioning? can you be malfunctioning? can he be malfunctioning? can we be malfunctioning? can you be malfunctioning? can they be malfunctioning?
Perfect
can I have malfunctioned? can you have malfunctioned? can he have malfunctioned? can we have malfunctioned? can you have malfunctioned? can they have malfunctioned?
V-ing perfect
can I have been malfunctioning? can you have been malfunctioning? can he have been malfunctioning? can we have been malfunctioning? can you have been malfunctioning? can they have been malfunctioning?
Interro-negative form
Simple form
can I not malfunction? can you not malfunction? can he not malfunction? can we not malfunction? can you not malfunction? can they not malfunction?
V-ing form
can I not be malfunctioning? can you not be malfunctioning? can he not be malfunctioning? can we not be malfunctioning? can you not be malfunctioning? can they not be malfunctioning?
Perfect
can I not have malfunctioned? can you not have malfunctioned? can he not have malfunctioned? can we not have malfunctioned? can you not have malfunctioned? can they not have malfunctioned?
V-ing perfect
can I not have been malfunctioning? can you not have been malfunctioning? can he not have been malfunctioning? can we not have been malfunctioning? can you not have been malfunctioning? can they not have been malfunctioning?