Regular verb: concentrate - concentrated - concentrated
Present | Present continuous | Preterite | Preterite continuous |
I concentrate you concentrate he concentrates we concentrate you concentrate they concentrate | I am concentrating you are concentrating he is concentrating we are concentrating you are concentrating they are concentrating | I concentrated you concentrated he concentrated we concentrated you concentrated they concentrated | I was concentrating you were concentrating he was concentrating we were concentrating you were concentrating they were concentrating |
Present perfect | Present perfect continuous | Pluperfect | Pluperfect continuous |
I have concentrated you have concentrated he has concentrated we have concentrated you have concentrated they have concentrated | I have been concentrating you have been concentrating he has been concentrating we have been concentrating you have been concentrating they have been concentrating | I had concentrated you had concentrated he had concentrated we had concentrated you had concentrated they had concentrated | I had been concentrating you had been concentrating he had been concentrating we had been concentrating you had been concentrating they had been concentrating |
Future | Future continuous | Future perfect | Future perfect continuous |
I will concentrate you will concentrate he will concentrate we will concentrate you will concentrate they will concentrate | I will be concentrating you will be concentrating he will be concentrating we will be concentrating you will be concentrating they will be concentrating | I will have concentrated you will have concentrated he will have concentrated we will have concentrated you will have concentrated they will have concentrated | I will have been concentrating you will have been concentrating he will have been concentrating we will have been concentrating you will have been concentrating they will have been concentrating |
Present | Present continuous | Past | Past continuous |
I would concentrate you would concentrate he would concentrate we would concentrate you would concentrate they would concentrate | I would be concentrating you would be concentrating he would be concentrating we would be concentrating you would be concentrating they would be concentrating | I would have concentrated you would have concentrated he would have concentrated we would have concentrated you would have concentrated they would have concentrated | I would have been concentrating you would have been concentrating he would have been concentrating we would have been concentrating you would have been concentrating they would have been concentrating |
Infinitive | Imperative |
Infinitive | Imperative | ||
to concentrate | concentrate Let's concentrate concentrate |
Present | Past | ||
concentrating | concentrated |