| No | Line | Type of error | Text | Correction |
| 1 | 348 | Tense | orrect and at least partially answered the problem in question . | answer |
| 2 | 487 | Tense | he States, now in their 40's, arrived at the point of arrived at the point of | are now experiencing |
| 3 | 757 | Tense | ay of life that Polish people try to adopt in Poland. McDonald's restaurants are ve | are trying |
| 4 | 693 | Tense | came cheaper and cheaper, it was getting was getting more and more common and | became |
| 5 | 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 |
| 6 | 699 | Tense | ovement in L.A., the campaign has changed . The model of a rebel young m | changed |
| 7 | 699 | Tense | ising 0 cigarettes has not changed since the 50's until late 60's. Th | did not change |
| 8 | 818 | Tense | If it were all it does 0 television would by all means be | did |
| 9 | 180 | Tense | ng./^t/This conviction, which was drifting around somewhere in the child's psyche, may sudde | drifts |
| 10 | 466 | Tense | k medical advice in case they felt not well or had even mild | feel |
| 11 | 98 | Tense | body was intact". Parents who filed for the divorce do not have to reveal all the int | file |
| 12 | 269 | Tense | nged. At first, gay activists were fighting for anti-discrimination rights in school, work an | fought |
| 13 | 662 | Tense | d to be said that the person was given some mysterious herb and lost | had been |
| 14 | 280 | Tense | are the government has decided to ban the use and 0 cultivation of | had decided |
| 15 | 756 | Tense | nd, could be accepted if they did not prove their quality and efficiency all over the world. | had not proved |
| 16 | 520 | Tense | ts who lately lately visited the plagued country {even before the epidem | had recently visited |
| 17 | 305 | Tense | ondition . As it was well researched by many psychologists, positive, | has been |
| 18 | 512 | Tense | present medical knowledge enabled mankind to control 0 plagues | has enabled |
| 19 | 843 | Tense | president of the U.S. himself endorsed the program, not necessarily because it is so hel | has endorsed |
| 20 | 608 | Tense | e objects. However, something went wrong in this balanced system | has gone |
| 21 | 512 | Tense | 0 plagues and made them feel safe about it . | has made |
| 22 | 681 | Tense | of December 31 traditionally became the synonym of havi | has traditionally become |
| 23 | 242 | Tense | to. They have to because they became addicted. They lost this | have become |
| 24 | 852 | Tense | g opened in Britain, and they become very popular. Nobody accuses India of attacking ( | have become |
| 25 | 691 | Tense | nt underwent a careful, planned operation co | have been the victims of |
| 26 | 671 | Tense | 'Flower Children' some of us are convinced that marriage is obsolete and useless. | 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 | ngs and feelings of those who were deceived, lying should be disapproved | have been |
| 30 | 76 | Tense | got married , clubs for gays were opened. Step by step homosexuals have gained more | have been |
| 31 | 198 | Tense | t/For the last fifty years we were witnesses of a political sy | have been |
| 32 | 132 | Tense | shifts, which in consequence caused the rising tide of violence. Among th | have caused |
| 33 | 4 | Tense | highly regarded for centuries depreciated , there are many people who represent the opinion | have depreciated |
| 34 | 76 | Tense | As a result many homosexuals got married , clubs for gays were opened. S | have got married |
| 35 | 614 | Tense | t some acoustic support. They got used to it to such an extent , that they | have got |
| 36 | 269 | Tense | other countries, they seem to jump to the conclusion that there is one more right to | have jumped |
| 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 | 454 | Tense | to adopt children. The issue is now discussed in several countries. However, there are several | is now being discussed |
| 40 | 127 | Tense | ible to know whether a person tells the truth or a lie creates a constant sense of di | is telling |
| 41 | 487 | Tense | ect of their lives . So they are looking for any kind of spiritual forms ( | look |
| 42 | 652 | Tense | unrestrained use of alcohol is making psychological cripples and chronic sufferers out | makes |
| 43 | 134 | Tense | criminals from East and West met here. Recently there are more a | meet |
| 44 | 44 | Tense | ng belief in others when they have realised they were lied | realise |
| 45 | 279 | Tense | fferson and George Washington had realized the power of the cultivation of the hemp plants a | realized |
| 46 | 325 | Tense | y , and other pills had seriously increased . People raised their egos throu | seriously increased |
| 47 | 230 | Tense | gular gangs which steal or mug for other individuals for m | stole |
| 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 | 439 | Tense | g tide of violence' in Poland finally stops . | will finally stop |