9. By that time William and Sarah will have travelled through half of Europe.
Correct
Incorrect
10. Would you mind to tell me your name, please?
Correct
Incorrect
11. She shouldn’t have broken that glass.
Correct
Incorrect
12. But I did do my homework!
Correct
Incorrect
13. Jane asked me if I would tell her the truth.
Correct
Incorrect
14. We were to have tea here.
Correct
Incorrect
15. Where is the book what I got for my birthday?
Correct
Incorrect
16. Never have I seen such a beautiful girl.
Correct
Incorrect
17. John does not like tea, too.
Correct
Incorrect
18. My mother who is a librarian works a lot.
Correct
Incorrect
19. When I stopped speaking to Ann, she was picking some flowers in her garden.
Correct
Incorrect
20. They can have opened the window.
Correct
Incorrect
1. Incorrect. This sentence would mean that “it” (the rain) was walking in the garden. You must say “We were walking in the garden when it began to rain.”
2. Correct. It means “Do you want me to do it?” or “Would you prefer me to do it?”
3. Incorrect. You mustn’t use “to+Infinitive” after “suggest”. A correct sentence is “Jane suggested going to the theatre” or “Jane suggested that we should go to the theatre.”
4. Correct.
5. Incorrect. “According to me” is incorrect; you can only use it for other people, not yourself. Use “I think” or “In my opinion” instead.
6. Correct. It means “No matter how hard he tries, he won’t find it.”
7. Correct. It’s not the Present Perfect because of the first part of the sentence (“I was waiting for you”), so we know when it was – then you can’t use the Present Perfect.
8. Correct. It’s a perfect sentence. You can leave out “should” here; “Tom suggested that Mary should go to university” is correct, too.
9. Correct. Future perfect.
10. Incorrect. After “mind”, you must use -ing: “Would you mind telling me your name, please?”
11. Correct. It means it was a mistake that she broke that glass.
12. Correct. It means “But I really did my homework!”
13. Correct. You can use “would” after “if” – this is not a conditional sentence. And actually, you can use it in some conditional sentences, too.
14. Correct. It means “We were planning to have tea here.”
15. Incorrect. “What” is incorrect here. You can use “that” or nothing: “Where is the book (that) I got for my birthday?”
16. Correct. It’s another, stronger way of saying “I have never seen such a beautiful girl.”
17. Incorrect. You mustn’t use “too” in a negative sentence. “John doesn’t like tea, either” is correct.
18. Incorrect. It would mean you have more than one mothers… You need commas here: “My mother, who is a librarian, works a lot.”
19. Incorrect. When I stopped to speak.
20. Incorrect. You can only say: “They could have opened the window.”