I could accessorise you could accessorise he could accessorise we could accessorise you could accessorise they could accessorise
V-ing form
I could be accessorising you could be accessorising he could be accessorising we could be accessorising you could be accessorising they could be accessorising
Perfect
I could have accessorised you could have accessorised he could have accessorised we could have accessorised you could have accessorised they could have accessorised
V-ing perfect
I could have been accessorising you could have been accessorising he could have been accessorising we could have been accessorising you could have been accessorising they could have been accessorising
Negation
Simple form
I couldn't accessorise you couldn't accessorise he couldn't accessorise we couldn't accessorise you couldn't accessorise they couldn't accessorise
V-ing form
I couldn't be accessorising you couldn't be accessorising he couldn't be accessorising we couldn't be accessorising you couldn't be accessorising they couldn't be accessorising
Perfect
I couldn't have accessorised you couldn't have accessorised he couldn't have accessorised we couldn't have accessorised you couldn't have accessorised they couldn't have accessorised
V-ing perfect
I couldn't have been accessorising you couldn't have been accessorising he couldn't have been accessorising we couldn't have been accessorising you couldn't have been accessorising they couldn't have been accessorising
Interrogative form
Simple form
could I accessorise? could you accessorise? could he accessorise? could we accessorise? could you accessorise? could they accessorise?
V-ing form
could I be accessorising? could you be accessorising? could he be accessorising? could we be accessorising? could you be accessorising? could they be accessorising?
Perfect
could I have accessorised? could you have accessorised? could he have accessorised? could we have accessorised? could you have accessorised? could they have accessorised?
V-ing perfect
could I have been accessorising? could you have been accessorising? could he have been accessorising? could we have been accessorising? could you have been accessorising? could they have been accessorising?
Interro-negative form
Simple form
couldn't I accessorise? couldn't you accessorise? couldn't he accessorise? couldn't we accessorise? couldn't you accessorise? couldn't they accessorise?
V-ing form
couldn't I be accessorising? couldn't you be accessorising? couldn't he be accessorising? couldn't we be accessorising? couldn't you be accessorising? couldn't they be accessorising?
Perfect
couldn't I have accessorised? couldn't you have accessorised? couldn't he have accessorised? couldn't we have accessorised? couldn't you have accessorised? couldn't they have accessorised?
V-ing perfect
couldn't I have been accessorising? couldn't you have been accessorising? couldn't he have been accessorising? couldn't we have been accessorising? couldn't you have been accessorising? couldn't they have been accessorising?