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