could type
Regular verb: type - typed- typed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could type
you could type
she could type
we could type
you could type
they could type 	I could be typing
you could be typing
she could be typing
we could be typing
you could be typing
they could be typing	I could have typed
you could have typed
she could have typed
we could have typed
you could have typed
they could have typed	I could have been typing
you could have been typing
she could have been typing
we could have been typing
you could have been typing
they could have been typing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't type
you couldn't type
she couldn't type
we couldn't type
you couldn't type
they couldn't type 	I couldn't be typing
you couldn't be typing
she couldn't be typing
we couldn't be typing
you couldn't be typing
they couldn't be typing	I couldn't have typed
you couldn't have typed
she couldn't have typed
we couldn't have typed
you couldn't have typed
they couldn't have typed	I couldn't have been typing
you couldn't have been typing
she couldn't have been typing
we couldn't have been typing
you couldn't have been typing
they couldn't have been typing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I type?
could you type?
could she type?
could we type?
could you type?
could they type? 	could I be typing?
could you be typing?
could she be typing?
could we be typing?
could you be typing?
could they be typing? 	could I have typed?
could you have typed?
could she have typed?
could we have typed?
could you have typed?
could they have typed? 	could I have been typing?
could you have been typing?
could she have been typing?
could we have been typing?
could you have been typing?
could they have been typing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I type?
couldn't you type?
couldn't she type?
couldn't we type?
couldn't you type?
couldn't they type? 	couldn't I be typing?
couldn't you be typing?
couldn't she be typing?
couldn't we be typing?
couldn't you be typing?
couldn't they be typing? 	couldn't I have typed?
couldn't you have typed?
couldn't she have typed?
couldn't we have typed?
couldn't you have typed?
couldn't they have typed? 	couldn't I have been typing?
couldn't you have been typing?
couldn't she have been typing?
couldn't we have been typing?
couldn't you have been typing?
couldn't they have been typing?