Verbo regular: concentrate - concentrated - concentrated
Presente | Presente continuo | Pretérito | Pretérito continuo |
don't I concentrate? don't you concentrate? doesn't he concentrate? don't we concentrate? don't you concentrate? don't they concentrate? | am I not concentrating? aren't you concentrating? isn't he concentrating? aren't we concentrating? aren't you concentrating? aren't they concentrating? | didn't I concentrate? didn't you concentrate? didn't he concentrate? didn't we concentrate? didn't you concentrate? didn't they concentrate? | wasn't I concentrating? weren't you concentrating? wasn't he concentrating? weren't we concentrating? weren't you concentrating? weren't they concentrating? |
Presente perfecto | Presente perfecto continuo | Pluscuamperfecto | Pluscuamperfecto continuo |
haven't I concentrated? haven't you concentrated? hasn't he concentrated? haven't we concentrated? haven't you concentrated? haven't they concentrated? | haven't I been concentrating? haven't you been concentrating? hasn't he been concentrating? haven't we been concentrating? haven't you been concentrating? haven't they been concentrating? | hadn't I concentrated? hadn't you concentrated? hadn't he concentrated? hadn't we concentrated? hadn't you concentrated? hadn't they concentrated? | hadn't I been concentrating? hadn't you been concentrating? hadn't he been concentrating? hadn't we been concentrating? hadn't you been concentrating? hadn't they been concentrating? |
Futuro simple | Futuro continuo | Futuro perfecto | Futuro perfecto contínuo |
won't I concentrate? won't you concentrate? won't he concentrate? won't we concentrate? won't you concentrate? won't they concentrate? | won't I be concentrating? won't you be concentrating? won't he be concentrating? won't we be concentrating? won't you be concentrating? won't they be concentrating? | won't I have concentrated? won't you have concentrated? won't he have concentrated? won't we have concentrated? won't you have concentrated? won't they have concentrated? | won't I have been concentrating? won't you have been concentrating? won't he have been concentrating? won't we have been concentrating? won't you have been concentrating? won't they have been concentrating? |
Presente | Presente continuo | Passado | Passado continuo |
wouldn't I concentrate? wouldn't you concentrate? wouldn't he concentrate? wouldn't we concentrate? wouldn't you concentrate? wouldn't they concentrate? | wouldn't I be concentrating? wouldn't you be concentrating? wouldn't he be concentrating? wouldn't we be concentrating? wouldn't you be concentrating? wouldn't they be concentrating? | wouldn't I have concentrated? wouldn't you have concentrated? wouldn't he have concentrated? wouldn't we have concentrated? wouldn't you have concentrated? wouldn't they have concentrated? | wouldn't I have been concentrating? wouldn't you have been concentrating? wouldn't he have been concentrating? wouldn't we have been concentrating? wouldn't you have been concentrating? wouldn't they have been concentrating? |
Infinitivo | Imperativo |
Infinitivo | Imperativo | ||
to concentrate | - - - |
Presente | Passado | ||
concentrating | concentrated |