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