could cloak
Regular verb: cloak - cloaked- cloaked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could cloak
you could cloak
she could cloak
we could cloak
you could cloak
they could cloak 	I could be cloaking
you could be cloaking
she could be cloaking
we could be cloaking
you could be cloaking
they could be cloaking	I could have cloaked
you could have cloaked
she could have cloaked
we could have cloaked
you could have cloaked
they could have cloaked	I could have been cloaking
you could have been cloaking
she could have been cloaking
we could have been cloaking
you could have been cloaking
they could have been cloaking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't cloak
you couldn't cloak
she couldn't cloak
we couldn't cloak
you couldn't cloak
they couldn't cloak 	I couldn't be cloaking
you couldn't be cloaking
she couldn't be cloaking
we couldn't be cloaking
you couldn't be cloaking
they couldn't be cloaking	I couldn't have cloaked
you couldn't have cloaked
she couldn't have cloaked
we couldn't have cloaked
you couldn't have cloaked
they couldn't have cloaked	I couldn't have been cloaking
you couldn't have been cloaking
she couldn't have been cloaking
we couldn't have been cloaking
you couldn't have been cloaking
they couldn't have been cloaking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I cloak?
could you cloak?
could she cloak?
could we cloak?
could you cloak?
could they cloak? 	could I be cloaking?
could you be cloaking?
could she be cloaking?
could we be cloaking?
could you be cloaking?
could they be cloaking? 	could I have cloaked?
could you have cloaked?
could she have cloaked?
could we have cloaked?
could you have cloaked?
could they have cloaked? 	could I have been cloaking?
could you have been cloaking?
could she have been cloaking?
could we have been cloaking?
could you have been cloaking?
could they have been cloaking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I cloak?
couldn't you cloak?
couldn't she cloak?
couldn't we cloak?
couldn't you cloak?
couldn't they cloak? 	couldn't I be cloaking?
couldn't you be cloaking?
couldn't she be cloaking?
couldn't we be cloaking?
couldn't you be cloaking?
couldn't they be cloaking? 	couldn't I have cloaked?
couldn't you have cloaked?
couldn't she have cloaked?
couldn't we have cloaked?
couldn't you have cloaked?
couldn't they have cloaked? 	couldn't I have been cloaking?
couldn't you have been cloaking?
couldn't she have been cloaking?
couldn't we have been cloaking?
couldn't you have been cloaking?
couldn't they have been cloaking?