
Regular verb: concenter - concentered - concentered
Present | Present continuous | Preterite | Preterite continuous |
| I concenter you concenter he concenters we concenter you concenter they concenter | I'm concentering you're concentering he's concentering we're concentering you're concentering they're concentering | I concentered you concentered he concentered we concentered you concentered they concentered | I was concentering you were concentering he was concentering we were concentering you were concentering they were concentering |
Present perfect | Present perfect continuous | Pluperfect | Pluperfect continuous |
| I've concentered you've concentered he's concentered we've concentered you've concentered they've concentered | I've been concentering you've been concentering he's been concentering we've been concentering you've been concentering they've been concentering | I'd concentered you'd concentered he'd concentered we'd concentered you'd concentered they'd concentered | I'd been concentering you'd been concentering he'd been concentering we'd been concentering you'd been concentering they'd been concentering |
Future | Future continuous | Future perfect | Future perfect continuous |
| I'll concenter you'll concenter he'll concenter we'll concenter you'll concenter they'll concenter | I'll be concentering you'll be concentering he'll be concentering we'll be concentering you'll be concentering they'll be concentering | I'll have concentered you'll have concentered he'll have concentered we'll have concentered you'll have concentered they'll have concentered | I'll have been concentering you'll have been concentering he'll have been concentering we'll have been concentering you'll have been concentering they'll have been concentering |
Present | Present continuous | Past | Past continuous |
| I'd concenter you'd concenter he'd concenter we'd concenter you'd concenter they'd concenter | I'd be concentering you'd be concentering he'd be concentering we'd be concentering you'd be concentering they'd be concentering | I'd have concentered you'd have concentered he'd have concentered we'd have concentered you'd have concentered they'd have concentered | I'd have been concentering you'd have been concentering he'd have been concentering we'd have been concentering you'd have been concentering they'd have been concentering |
Infinitive | Imperative |
Infinitive | Imperative | ||
| to concenter | concenter Let's concenter concenter |
Present | Past | ||
| concentering | concentered |