I can hire you can hire she can hire we can hire you can hire they can hire
V-ing form
I can be hiring you can be hiring she can be hiring we can be hiring you can be hiring they can be hiring
Perfect
I can have hired you can have hired she can have hired we can have hired you can have hired they can have hired
V-ing perfect
I can have been hiring you can have been hiring she can have been hiring we can have been hiring you can have been hiring they can have been hiring
Negation
Simple form
I cannot hire you cannot hire she cannot hire we cannot hire you cannot hire they cannot hire
V-ing form
I cannot be hiring you cannot be hiring she cannot be hiring we cannot be hiring you cannot be hiring they cannot be hiring
Perfect
I cannot have hired you cannot have hired she cannot have hired we cannot have hired you cannot have hired they cannot have hired
V-ing perfect
I cannot have been hiring you cannot have been hiring she cannot have been hiring we cannot have been hiring you cannot have been hiring they cannot have been hiring
Interrogative form
Simple form
can I hire? can you hire? can she hire? can we hire? can you hire? can they hire?
V-ing form
can I be hiring? can you be hiring? can she be hiring? can we be hiring? can you be hiring? can they be hiring?
Perfect
can I have hired? can you have hired? can she have hired? can we have hired? can you have hired? can they have hired?
V-ing perfect
can I have been hiring? can you have been hiring? can she have been hiring? can we have been hiring? can you have been hiring? can they have been hiring?
Interro-negative form
Simple form
can I not hire? can you not hire? can she not hire? can we not hire? can you not hire? can they not hire?
V-ing form
can I not be hiring? can you not be hiring? can she not be hiring? can we not be hiring? can you not be hiring? can they not be hiring?
Perfect
can I not have hired? can you not have hired? can she not have hired? can we not have hired? can you not have hired? can they not have hired?
V-ing perfect
can I not have been hiring? can you not have been hiring? can she not have been hiring? can we not have been hiring? can you not have been hiring? can they not have been hiring?