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