| No | Line | Type of error | Text | Correction |
| 1 | 348 | Tense | orrect and at least partially answered the problem in question . | answer |
| 2 | 603 | Tense | time has finished when women were only bearing and rearing children and taking care of a husband. There is no more suc | bore and reared children and took |
| 3 | 695 | Tense | f of smoke./^t/This situation has changed in the beginning of the 20th century wh | changed |
| 4 | 699 | Tense | ovement in L.A., the campaign has changed . The model of a rebel young m | changed |
| 5 | 281 | Tense | illegal 0 but does not harm others. Jimy Hendrix died from | did |
| 6 | 818 | Tense | If it were all it does 0 television would by all means be | did |
| 7 | 822 | Tense | at is coming is coming from the screen, forgetting about | emanates |
| 8 | 324 | Tense | and 60's drug-related culture had entered its Renaissance due to the popularization of Budd | entered |
| 9 | 466 | Tense | k medical advice in case they felt not well or had even mild | feel |
| 10 | 98 | Tense | body was intact". Parents who filed for the divorce do not have to reveal all the int | file |
| 11 | 472 | Tense | the political system, which gives more liberty than it used to give to | gave |
| 12 | 280 | Tense | are the government has decided to ban the use and 0 cultivation of | had decided |
| 13 | 756 | Tense | nd, could be accepted if they did not prove their quality and efficiency all over the world. | had not proved |
| 14 | 503 | Tense | ople {including children} and has raped some of them and eaten parts of their bodies./^t/ | had raped |
| 15 | 610 | Tense | t is because the music itself became aggressive, so it requires an appropriate | has become |
| 16 | 610 | Tense | irst of all, background music ceased to be background . Oppo | has ceased |
| 17 | 608 | Tense | e objects. However, something went wrong in this balanced system | has gone |
| 18 | 512 | Tense | 0 plagues and made them feel safe about it . | has made |
| 19 | 570 | Tense | iolence. Unlike sex, violence is not curbed at all, and 0 a subject | has not been |
| 20 | 445 | Tense | However, the image of parents stayed stayed the same - father and | has remained |
| 21 | 369 | Tense | if everybody secured secured herself or himself | has safeguarded |
| 22 | 445 | Tense | e family. It is true that it undergoes many changes and is not unequivocal, e.g. the num | has undergone |
| 23 | 238 | Tense | , they use drugs because they became addicted and cannot stop using them. Drugs | have become |
| 24 | 852 | Tense | g opened in Britain, and they become very popular. Nobody accuses India of attacking ( | have become |
| 25 | 43 | Tense | : the danger of lying. There are many examples of people making untrue statements | have been |
| 26 | 134 | Tense | t here. Recently there are more and more instances of activities of the inte | have been |
| 27 | 259 | Tense | ws that all of his/her organs had been affected by the tumor, he/she may easily break do | have been |
| 28 | 463 | Tense | s ago. Since that time, there had been many other epidemics, for example in the Roman em | have been |
| 29 | 44 | Tense | have realised they were lied . Taking into consideration | have been |
| 30 | 76 | Tense | got married , clubs for gays were opened. Step by step homosexuals have gained more | have been |
| 31 | 188 | Tense | heir sexual preferences. They decide to live together with their partners , | have decided |
| 32 | 117 | Tense | all these negative phenomena deepened and they result in the incr | have deepened |
| 33 | 674 | Tense | ntimes envy those couples who found their way to a happy mariage , suc | have found |
| 34 | 76 | Tense | As a result many homosexuals got married , clubs for gays were opened. S | have got married |
| 35 | 487 | Tense | ed us to conquer and inhabit allows for conquering and inhabiting all areas of the world as well as catering f | have helped us to conquer and inhabit |
| 36 | 487 | Tense | he midlife crisis and started questioning the materialistic philosophy they wer | have started |
| 37 | 466 | Tense | not well or had even mild symptoms. In such a way, the hosts woul | have |
| 38 | 454 | Tense | to adopt children. The issue is now discussed in several countries. However, there are several | is now being discussed |
| 39 | 66 | Tense | doctor treats a patient that suffers from an incurable disease, for example. Then, the | is suffering |
| 40 | 249 | Tense | f he/she realises that he/she suffers from an incurable illness. So again this is | is suffering |
| 41 | 480 | Tense | no longer a generation which was shown the patterns to follow. Now their heroes ar | is |
| 42 | 134 | Tense | criminals from East and West met here. Recently there are more a | meet |
| 43 | 531 | Tense | c only in India. However, it has rapidly spread to other countries. Its outbreaks occur in the wa | rapidly spread |
| 44 | 325 | Tense | y , and other pills had seriously increased . People raised their egos throu | seriously increased |
| 45 | 230 | Tense | to the safety of its citizens has started with the changes brought about by Poland's transf | started |
| 46 | 230 | Tense | gular gangs which steal or mug for other individuals for m | stole |
| 47 | 503 | Tense | d heterosexuals 0 it will turn out that the percentage of criminals is much higher a | turns out |
| 48 | 281 | Tense | do what you want, even if it is illegal 0 but does not harm | was |
| 49 | 752 | Tense | /^t/Fast food restaurants have been unknown until recently in Poland, but they have b | were |
| 50 | 845 | Tense | world, but the chances are it became an issue for strictly political and economic reas | will become |