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