I could generalize you could generalize she could generalize we could generalize you could generalize they could generalize
V-ing form
I could be generalizing you could be generalizing she could be generalizing we could be generalizing you could be generalizing they could be generalizing
Perfect
I could have generalized you could have generalized she could have generalized we could have generalized you could have generalized they could have generalized
V-ing perfect
I could have been generalizing you could have been generalizing she could have been generalizing we could have been generalizing you could have been generalizing they could have been generalizing
Negation
Simple form
I couldn't generalize you couldn't generalize she couldn't generalize we couldn't generalize you couldn't generalize they couldn't generalize
V-ing form
I couldn't be generalizing you couldn't be generalizing she couldn't be generalizing we couldn't be generalizing you couldn't be generalizing they couldn't be generalizing
Perfect
I couldn't have generalized you couldn't have generalized she couldn't have generalized we couldn't have generalized you couldn't have generalized they couldn't have generalized
V-ing perfect
I couldn't have been generalizing you couldn't have been generalizing she couldn't have been generalizing we couldn't have been generalizing you couldn't have been generalizing they couldn't have been generalizing
Interrogative form
Simple form
could I generalize? could you generalize? could she generalize? could we generalize? could you generalize? could they generalize?
V-ing form
could I be generalizing? could you be generalizing? could she be generalizing? could we be generalizing? could you be generalizing? could they be generalizing?
Perfect
could I have generalized? could you have generalized? could she have generalized? could we have generalized? could you have generalized? could they have generalized?
V-ing perfect
could I have been generalizing? could you have been generalizing? could she have been generalizing? could we have been generalizing? could you have been generalizing? could they have been generalizing?
Interro-negative form
Simple form
couldn't I generalize? couldn't you generalize? couldn't she generalize? couldn't we generalize? couldn't you generalize? couldn't they generalize?
V-ing form
couldn't I be generalizing? couldn't you be generalizing? couldn't she be generalizing? couldn't we be generalizing? couldn't you be generalizing? couldn't they be generalizing?
Perfect
couldn't I have generalized? couldn't you have generalized? couldn't she have generalized? couldn't we have generalized? couldn't you have generalized? couldn't they have generalized?
V-ing perfect
couldn't I have been generalizing? couldn't you have been generalizing? couldn't she have been generalizing? couldn't we have been generalizing? couldn't you have been generalizing? couldn't they have been generalizing?