| No | Line | Type of error | Text | Correction |
| 1 | 695 | Tense | ury when the tobacco industry has become a very profitable business. Members of the govern | became |
| 2 | 693 | Tense | came cheaper and cheaper, it was getting was getting more and more common and | became |
| 3 | 324 | Tense | boom had began had began . Thousands of young Americans fled their homes he | began |
| 4 | 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 |
| 5 | 699 | Tense | ovement in L.A., the campaign has changed . The model of a rebel young m | changed |
| 6 | 699 | Tense | ising 0 cigarettes has not changed since the 50's until late 60's. Th | did not change |
| 7 | 281 | Tense | illegal 0 but does not harm others. Jimy Hendrix died from | did |
| 8 | 818 | Tense | If it were all it does 0 television would by all means be | did |
| 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 | 662 | Tense | d to be said that the person was given some mysterious herb and lost | had been |
| 12 | 610 | Tense | t is because the music itself became aggressive, so it requires an appropriate | has become |
| 13 | 843 | Tense | o say that somehow the v-chip became a political issue. The president of the U.S. hims | has become |
| 14 | 198 | Tense | cal system in which the truth was constantly distorted. A group of people claimed t | has been |
| 15 | 305 | Tense | ondition . As it was well researched by many psychologists, positive, | has been |
| 16 | 445 | Tense | times no one ever questioned it 0 but the twentieth century | has ever questioned |
| 17 | 512 | Tense | 0 plagues and made them feel safe about it . | has made |
| 18 | 610 | Tense | what was once hardly audible, now managed to push to the front | has now managed |
| 19 | 369 | Tense | if everybody secured secured herself or himself | has safeguarded |
| 20 | 681 | Tense | of December 31 traditionally became the synonym of havi | has traditionally become |
| 21 | 445 | Tense | e family. It is true that it undergoes many changes and is not unequivocal, e.g. the num | has undergone |
| 22 | 26 | Tense | e the epidemic is supposed to appear or where it was actually detected. In such 0 | have appeared |
| 23 | 238 | Tense | , they use drugs because they became addicted and cannot stop using them. Drugs | have become |
| 24 | 242 | Tense | to. They have to because they became addicted. They lost this | have become |
| 25 | 238 | Tense | cannot stop using them. Drugs started started to be their way o | have become |
| 26 | 43 | Tense | : the danger of lying. There are many examples of people making untrue statements | 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 | 132 | Tense | shifts, which in consequence caused the rising tide of violence. Among th | have caused |
| 29 | 117 | Tense | all these negative phenomena deepened and they result in the incr | have deepened |
| 30 | 4 | Tense | highly regarded for centuries depreciated , there are many people who represent the opinion | have depreciated |
| 31 | 674 | Tense | ntimes envy those couples who found their way to a happy mariage , suc | have found |
| 32 | 76 | Tense | As a result many homosexuals got married , clubs for gays were opened. S | have got married |
| 33 | 614 | Tense | t some acoustic support. They got used to it to such an extent , that they | have got |
| 34 | 269 | Tense | other countries, they seem to jump to the conclusion that there is one more right to | have jumped |
| 35 | 242 | Tense | addicted. They lost this feeling of freedom they had at th | have lost |
| 36 | 242 | Tense | ey had at the beginning. They lost the illusion of freedom they had later. Now they | have lost |
| 37 | 117 | Tense | ened and they result in the increase of violence in politics./^t/Viole | have resulted |
| 38 | 210 | Tense | ty of modern art some artists started to forget that 'visual art is visual' 0 | have started |
| 39 | 487 | Tense | he midlife crisis and started questioning the materialistic philosophy they wer | have started |
| 40 | 466 | Tense | not well or had even mild symptoms. In such a way, the hosts woul | have |
| 41 | 454 | Tense | to adopt children. The issue is now discussed in several countries. However, there are several | is now being discussed |
| 42 | 66 | Tense | doctor treats a patient that suffers from an incurable disease, for example. Then, the | is suffering |
| 43 | 480 | Tense | no longer a generation which was shown the patterns to follow. Now their heroes ar | is |
| 44 | 652 | Tense | unrestrained use of alcohol is making psychological cripples and chronic sufferers out | makes |
| 45 | 531 | Tense | c only in India. However, it has rapidly spread to other countries. Its outbreaks occur in the wa | rapidly spread |
| 46 | 279 | Tense | fferson and George Washington had realized the power of the cultivation of the hemp plants a | realized |
| 47 | 230 | Tense | to the safety of its citizens has started with the changes brought about by Poland's transf | started |
| 48 | 281 | Tense | do what you want, even if it is illegal 0 but does not harm | was |
| 49 | 553 | Tense | to treating those as if they had been their own children./^t/Another aspect of the prob | were |
| 50 | 439 | Tense | g tide of violence' in Poland finally stops . | will finally stop |