Simple english grammar questions

[Lorenzin]

Hi, i have answered these questions about english grammar, but i'm not very sure if my answers are right, can you please help me? Thank you.



I had some problems with question number 10 and 17, can you also please explain me why the correct answer, is the correct one? Thank you again

[Joe]

These are the numbers you got wrong, with the letter showing the correct answer:

10a This is the "past in the past" so needs PAST PERFECT tense
https://www.englishclub.com/grammar/ver ... erfect.htm

13b Past action with present effect. PRESENT PERFECT tense
https://www.englishclub.com/grammar/ver ... erfect.htm

14b Ditto
https://www.englishclub.com/grammar/ver ... erfect.htm

16b wish + COULD

17c This is the "past in the past" so needs PAST PERFECT tense
https://www.englishclub.com/grammar/ver ... erfect.htm

19b IN is the correct preposition after "the point ___ doing sthg"