| No | Line | Type of error | Text | Correction |
| 1 | 269 | Tense | f the same sex, and once they have achieved that in Denmark and are getting close to that in | achieved |
| 2 | 487 | Tense | he States, now in their 40's, arrived at the point of arrived at the point of | are now experiencing |
| 3 | 348 | Tense | ss, I hope some of my guesses were correct and at least partially answered | are |
| 4 | 693 | Tense | came cheaper and cheaper, it was getting was getting more and more common and | became |
| 5 | 324 | Tense | boom had began had began . Thousands of young Americans fled their homes he | began |
| 6 | 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 |
| 7 | 699 | Tense | ising 0 cigarettes has not changed since the 50's until late 60's. Th | did not change |
| 8 | 281 | Tense | illegal 0 but does not harm others. Jimy Hendrix died from | did |
| 9 | 822 | Tense | at is coming is coming from the screen, forgetting about | emanates |
| 10 | 466 | Tense | k medical advice in case they felt not well or had even mild | feel |
| 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 | 662 | Tense | d to be said that the person was given some mysterious herb and lost | had been |
| 14 | 610 | Tense | t is because the music itself became aggressive, so it requires an appropriate | has become |
| 15 | 824 | Tense | s are on the decline, reading becomes unpopular, deep thought | has become |
| 16 | 198 | Tense | cal system in which the truth was constantly distorted. A group of people claimed t | has been |
| 17 | 512 | Tense | present medical knowledge enabled mankind to control 0 plagues | has enabled |
| 18 | 445 | Tense | times no one ever questioned it 0 but the twentieth century | has ever questioned |
| 19 | 608 | Tense | e objects. However, something went wrong in this balanced system | has gone |
| 20 | 512 | Tense | 0 plagues and made them feel safe about it . | has made |
| 21 | 610 | Tense | what was once hardly audible, now managed to push to the front | has now managed |
| 22 | 445 | Tense | However, the image of parents stayed stayed the same - father and | has remained |
| 23 | 369 | Tense | if everybody secured secured herself or himself | has safeguarded |
| 24 | 26 | Tense | e the epidemic is supposed to appear or where it was actually detected. In such 0 | have appeared |
| 25 | 242 | Tense | to. They have to because they became addicted. They lost this | have become |
| 26 | 238 | Tense | cannot stop using them. Drugs started started to be their way o | have become |
| 27 | 43 | Tense | : the danger of lying. There are many examples of people making untrue statements | have been |
| 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 | 44 | Tense | have realised they were lied . Taking into consideration | have been |
| 31 | 44 | Tense | ngs and feelings of those who were deceived, lying should be disapproved | have been |
| 32 | 76 | Tense | got married , clubs for gays were opened. Step by step homosexuals have gained more | have been |
| 33 | 132 | Tense | shifts, which in consequence caused the rising tide of violence. Among th | have caused |
| 34 | 674 | Tense | ntimes envy those couples who found their way to a happy mariage , suc | have found |
| 35 | 269 | Tense | other countries, they seem to jump to the conclusion that there is one more right to | have jumped |
| 36 | 242 | Tense | addicted. They lost this feeling of freedom they had at th | have lost |
| 37 | 210 | Tense | ty of modern art some artists started to forget that 'visual art is visual' 0 | have started |
| 38 | 487 | Tense | he midlife crisis and started questioning the materialistic philosophy they wer | have started |
| 39 | 491 | Tense | ' - those who survived the clinical death. Consequently, the | have survived |
| 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 | 135 | Tense | , what is more 0 it becomes more and more dangerous. Such a debile p | is becoming |
| 43 | 454 | Tense | to adopt children. The issue is now discussed in several countries. However, there are several | is now being discussed |
| 44 | 824 | Tense | the price the human intellect pays for the invention of television./^t/The tendency | is paying |
| 45 | 44 | Tense | ng belief in others when they have realised they were lied | realise |
| 46 | 230 | Tense | to the safety of its citizens has started with the changes brought about by Poland's transf | started |
| 47 | 503 | Tense | d heterosexuals 0 it will turn out that the percentage of criminals is much higher a | turns out |
| 48 | 752 | Tense | /^t/Fast food restaurants have been unknown until recently in Poland, but they have b | were |
| 49 | 6 | Tense | er, we love each other and we do everything to protect our love against the | will do |
| 50 | 439 | Tense | g tide of violence' in Poland finally stops . | will finally stop |