can deceive
Regular verb: deceive - deceived- deceived

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can deceive
you can deceive
she can deceive
we can deceive
you can deceive
they can deceive 	I can be deceiving
you can be deceiving
she can be deceiving
we can be deceiving
you can be deceiving
they can be deceiving	I can have deceived
you can have deceived
she can have deceived
we can have deceived
you can have deceived
they can have deceived	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 	V-ing form 	Perfect 	V-ing perfect 	
I can't deceive
you can't deceive
she can't deceive
we can't deceive
you can't deceive
they can't deceive 	I can't be deceiving
you can't be deceiving
she can't be deceiving
we can't be deceiving
you can't be deceiving
they can't be deceiving	I can't have deceived
you can't have deceived
she can't have deceived
we can't have deceived
you can't have deceived
they can't have deceived	I can't have been deceiving
you can't have been deceiving
she can't have been deceiving
we can't have been deceiving
you can't have been deceiving
they can't have been deceiving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I deceive?
can you deceive?
can she deceive?
can we deceive?
can you deceive?
can they deceive? 	can I be deceiving?
can you be deceiving?
can she be deceiving?
can we be deceiving?
can you be deceiving?
can they be deceiving? 	can I have deceived?
can you have deceived?
can she have deceived?
can we have deceived?
can you have deceived?
can they have deceived? 	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 	V-ing form 	Perfect 	V-ing perfect 	
can't I deceive?
can't you deceive?
can't she deceive?
can't we deceive?
can't you deceive?
can't they deceive? 	can't I be deceiving?
can't you be deceiving?
can't she be deceiving?
can't we be deceiving?
can't you be deceiving?
can't they be deceiving? 	can't I have deceived?
can't you have deceived?
can't she have deceived?
can't we have deceived?
can't you have deceived?
can't they have deceived? 	can't I have been deceiving?
can't you have been deceiving?
can't she have been deceiving?
can't we have been deceiving?
can't you have been deceiving?
can't they have been deceiving?