could skive
Regular verb: skive - skived- skived

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could skive
you could skive
she could skive
we could skive
you could skive
they could skive 	I could be skiving
you could be skiving
she could be skiving
we could be skiving
you could be skiving
they could be skiving	I could have skived
you could have skived
she 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
she 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 couldn't skive
you couldn't skive
she couldn't skive
we couldn't skive
you couldn't skive
they couldn't skive 	I couldn't be skiving
you couldn't be skiving
she couldn't be skiving
we couldn't be skiving
you couldn't be skiving
they couldn't be skiving	I couldn't have skived
you couldn't have skived
she couldn't have skived
we couldn't have skived
you couldn't have skived
they couldn't have skived	I couldn't have been skiving
you couldn't have been skiving
she couldn't have been skiving
we couldn't have been skiving
you couldn't have been skiving
they couldn't have been skiving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I skive?
could you skive?
could she skive?
could we skive?
could you skive?
could they skive? 	could I be skiving?
could you be skiving?
could she be skiving?
could we be skiving?
could you be skiving?
could they be skiving? 	could I have skived?
could you have skived?
could she 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 she 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 	
couldn't I skive?
couldn't you skive?
couldn't she skive?
couldn't we skive?
couldn't you skive?
couldn't they skive? 	couldn't I be skiving?
couldn't you be skiving?
couldn't she be skiving?
couldn't we be skiving?
couldn't you be skiving?
couldn't they be skiving? 	couldn't I have skived?
couldn't you have skived?
couldn't she have skived?
couldn't we have skived?
couldn't you have skived?
couldn't they have skived? 	couldn't I have been skiving?
couldn't you have been skiving?
couldn't she have been skiving?
couldn't we have been skiving?
couldn't you have been skiving?
couldn't they have been skiving?