I can deceive you can deceive she can deceive we can deceive you can deceive they can deceive
V-ing form
I can be deceiving you can be deceiving she can be deceiving we can be deceiving you can be deceiving they can be deceiving
Perfect
I can have deceived you can have deceived she can have deceived we can have deceived you can have deceived they can have deceived
V-ing perfect
I can have been deceiving you can have been deceiving she can have been deceiving we can have been deceiving you can have been deceiving they can have been deceiving
Negation
Simple form
I cannot deceive you cannot deceive she cannot deceive we cannot deceive you cannot deceive they cannot deceive
V-ing form
I cannot be deceiving you cannot be deceiving she cannot be deceiving we cannot be deceiving you cannot be deceiving they cannot be deceiving
Perfect
I cannot have deceived you cannot have deceived she cannot have deceived we cannot have deceived you cannot have deceived they cannot have deceived
V-ing perfect
I cannot have been deceiving you cannot have been deceiving she cannot have been deceiving we cannot have been deceiving you cannot have been deceiving they cannot have been deceiving
Interrogative form
Simple form
can I deceive? can you deceive? can she deceive? can we deceive? can you deceive? can they deceive?
V-ing form
can I be deceiving? can you be deceiving? can she be deceiving? can we be deceiving? can you be deceiving? can they be deceiving?
Perfect
can I have deceived? can you have deceived? can she have deceived? can we have deceived? can you have deceived? can they have deceived?
V-ing perfect
can I have been deceiving? can you have been deceiving? can she have been deceiving? can we have been deceiving? can you have been deceiving? can they have been deceiving?
Interro-negative form
Simple form
can I not deceive? can you not deceive? can she not deceive? can we not deceive? can you not deceive? can they not deceive?
V-ing form
can I not be deceiving? can you not be deceiving? can she not be deceiving? can we not be deceiving? can you not be deceiving? can they not be deceiving?
Perfect
can I not have deceived? can you not have deceived? can she not have deceived? can we not have deceived? can you not have deceived? can they not have deceived?
V-ing perfect
can I not have been deceiving? can you not have been deceiving? can she not have been deceiving? can we not have been deceiving? can you not have been deceiving? can they not have been deceiving?