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