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