| No | Line | Type of error | Text | Correction |
| 1 | 487 | Tense | he States, now in their 40's, arrived at the point of arrived at the point of | are now experiencing |
| 2 | 348 | Tense | ss, I hope some of my guesses were correct and at least partially answered | are |
| 3 | 695 | Tense | ury when the tobacco industry has become a very profitable business. Members of the govern | became |
| 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 | 697 | Tense | t/The invention of television has created a perfect opportunity for a new addictive operati | created |
| 6 | 699 | Tense | ising 0 cigarettes has not changed since the 50's until late 60's. Th | did not change |
| 7 | 818 | Tense | If it were all it does 0 television would by all means be | did |
| 8 | 180 | Tense | ng./^t/This conviction, which was drifting around somewhere in the child's psyche, may sudde | drifts |
| 9 | 822 | Tense | at is coming is coming from the screen, forgetting about | emanates |
| 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 | 695 | Tense | s I and II. Tobacco companies were generously giving cigarettes to soldiers as their " participat | generously gave |
| 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 | 520 | Tense | ts who lately lately visited the plagued country {even before the epidem | had recently visited |
| 16 | 610 | Tense | t is because the music itself became aggressive, so it requires an appropriate | has become |
| 17 | 198 | Tense | cal system in which the truth was constantly distorted. A group of people claimed t | has been |
| 18 | 305 | Tense | ondition . As it was well researched by many psychologists, positive, | has been |
| 19 | 445 | Tense | times no one ever questioned it 0 but the twentieth century | has ever questioned |
| 20 | 476 | Tense | strict and clear regulations gave an occasion occasion t | has given |
| 21 | 570 | Tense | iolence. Unlike sex, violence is not curbed at all, and 0 a subject | has not been |
| 22 | 681 | Tense | of December 31 traditionally became the synonym of havi | has traditionally become |
| 23 | 445 | Tense | of that , some countries allowed homosexuals to marry and adopt children and thus | have allowed |
| 24 | 26 | Tense | e the epidemic is supposed to appear or where it was actually detected. In such 0 | have appeared |
| 25 | 852 | Tense | g opened in Britain, and they become very popular. Nobody accuses India of attacking ( | have become |
| 26 | 238 | Tense | cannot stop using them. Drugs started started to be their way o | have become |
| 27 | 691 | Tense | nt underwent a careful, planned operation co | have been the victims of |
| 28 | 134 | Tense | t here. Recently there are more and more instances of activities of the inte | have been |
| 29 | 671 | Tense | 'Flower Children' some of us are convinced that marriage is obsolete and useless. | have been |
| 30 | 463 | Tense | s ago. Since that time, there had been many other epidemics, for example in the Roman em | have been |
| 31 | 44 | Tense | have realised they were lied . Taking into consideration | have been |
| 32 | 44 | Tense | ngs and feelings of those who were deceived, lying should be disapproved | have been |
| 33 | 198 | Tense | t/For the last fifty years we were witnesses of a political sy | have been |
| 34 | 188 | Tense | heir sexual preferences. They decide to live together with their partners , | have decided |
| 35 | 4 | Tense | highly regarded for centuries depreciated , there are many people who represent the opinion | have depreciated |
| 36 | 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 |
| 37 | 269 | Tense | other countries, they seem to jump to the conclusion that there is one more right to | have jumped |
| 38 | 242 | Tense | addicted. They lost this feeling of freedom they had at th | have lost |
| 39 | 210 | Tense | ty of modern art some artists started to forget that 'visual art is visual' 0 | have started |
| 40 | 466 | Tense | not well or had even mild symptoms. In such a way, the hosts woul | have |
| 41 | 467 | Tense | ./^t/ The evolution did not stop did not stop . We sh | is a constant process |
| 42 | 467 | Tense | anger of contracting diseases gets bigger and bigger. the biologists | is getting |
| 43 | 824 | Tense | the price the human intellect pays for the invention of television./^t/The tendency | is paying |
| 44 | 127 | Tense | ible to know whether a person tells the truth or a lie creates a constant sense of di | is telling |
| 45 | 487 | Tense | ect of their lives . So they are looking for any kind of spiritual forms ( | look |
| 46 | 652 | Tense | unrestrained use of alcohol is making psychological cripples and chronic sufferers out | makes |
| 47 | 44 | Tense | ng belief in others when they have realised they were lied | realise |
| 48 | 105 | Tense | he Eastern culture, which have been using have been using drugs as a means of | uses |
| 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 |