could skive
Regular verb: skive - skived- skived

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could skive
you could skive
he could skive
we could skive
you could skive
they could skive 	I could be skiving
you could be skiving
he could be skiving
we could be skiving
you could be skiving
they could be skiving	I could have skived
you could have skived
he could have skived
we could have skived
you could have skived
they could have skived	I could have been skiving
you could have been skiving
he could have been skiving
we could have been skiving
you could have been skiving
they could have been skiving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not skive
you could not skive
he could not skive
we could not skive
you could not skive
they could not skive 	I could not be skiving
you could not be skiving
he could not be skiving
we could not be skiving
you could not be skiving
they could not be skiving	I could not have skived
you could not have skived
he could not have skived
we could not have skived
you could not have skived
they could not have skived	I could not have been skiving
you could not have been skiving
he could not have been skiving
we could not have been skiving
you could not have been skiving
they could not have been skiving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I skive?
could you skive?
could he skive?
could we skive?
could you skive?
could they skive? 	could I be skiving?
could you be skiving?
could he be skiving?
could we be skiving?
could you be skiving?
could they be skiving? 	could I have skived?
could you have skived?
could he have skived?
could we have skived?
could you have skived?
could they have skived? 	could I have been skiving?
could you have been skiving?
could he have been skiving?
could we have been skiving?
could you have been skiving?
could they have been skiving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not skive?
could you not skive?
could he not skive?
could we not skive?
could you not skive?
could they not skive? 	could I not be skiving?
could you not be skiving?
could he not be skiving?
could we not be skiving?
could you not be skiving?
could they not be skiving? 	could I not have skived?
could you not have skived?
could he not have skived?
could we not have skived?
could you not have skived?
could they not have skived? 	could I not have been skiving?
could you not have been skiving?
could he not have been skiving?
could we not have been skiving?
could you not have been skiving?
could they not have been skiving?