Regelmäßiges Verb: concentrate - concentrated - concentrated
Einfache Form | Form mit V-ing |
I could concentrate you could concentrate she could concentrate we could concentrate you could concentrate they could concentrate | I could be concentrating you could be concentrating she could be concentrating we could be concentrating you could be concentrating they could be concentrating |
Perfekt | Perfekt mit V-ing |
I could have concentrated you could have concentrated she could have concentrated we could have concentrated you could have concentrated they could have concentrated | I could have been concentrating you could have been concentrating she could have been concentrating we could have been concentrating you could have been concentrating they could have been concentrating |
Einfache Form | Form mit V-ing |
I couldn't concentrate you couldn't concentrate she couldn't concentrate we couldn't concentrate you couldn't concentrate they couldn't concentrate | I couldn't be concentrating you couldn't be concentrating she couldn't be concentrating we couldn't be concentrating you couldn't be concentrating they couldn't be concentrating |
Perfekt | Perfekt mit V-ing |
I couldn't have concentrated you couldn't have concentrated she couldn't have concentrated we couldn't have concentrated you couldn't have concentrated they couldn't have concentrated | I couldn't have been concentrating you couldn't have been concentrating she couldn't have been concentrating we couldn't have been concentrating you couldn't have been concentrating they couldn't have been concentrating |
Einfache Form | Form mit V-ing |
could I concentrate? could you concentrate? could she concentrate? could we concentrate? could you concentrate? could they concentrate? | could I be concentrating? could you be concentrating? could she be concentrating? could we be concentrating? could you be concentrating? could they be concentrating? |
Perfekt | Perfekt mit V-ing |
could I have concentrated? could you have concentrated? could she have concentrated? could we have concentrated? could you have concentrated? could they have concentrated? | could I have been concentrating? could you have been concentrating? could she have been concentrating? could we have been concentrating? could you have been concentrating? could they have been concentrating? |
Einfache Form | Form mit V-ing |
couldn't I concentrate? couldn't you concentrate? couldn't she concentrate? couldn't we concentrate? couldn't you concentrate? couldn't they concentrate? | couldn't I be concentrating? couldn't you be concentrating? couldn't she be concentrating? couldn't we be concentrating? couldn't you be concentrating? couldn't they be concentrating? |
Perfekt | Perfekt mit V-ing |
couldn't I have concentrated? couldn't you have concentrated? couldn't she have concentrated? couldn't we have concentrated? couldn't you have concentrated? couldn't they have concentrated? | couldn't I have been concentrating? couldn't you have been concentrating? couldn't she have been concentrating? couldn't we have been concentrating? couldn't you have been concentrating? couldn't they have been concentrating? |