Просклоняйте предложения обязательно в отрицательной форме типо: not просклонять надо в: present simple,present continuous,past simple,past countinious,; обязательно в отрицательной форме типо нет нехочу и тд я не шарю в .яз вот это > he (torget) back his money. вот это > they (to recieve) a letter. вот это > i (todo) homework. это 7 класса. сделайте хотя-бы половину или 1/3 буду если все!

I.1) He does not forget to back his money.
  2) He is not forgetting to back his money.
  3) He did not forget to back his money.
  4) He was not forgetting to back his money.
II.1) They do not recieve a letter.
   2) They are not receiving a letter.
   3) They did not receive a letter.
   4) They were not receiving a letter.
III.1) I do not do homework.
    2) I am not doing homework.
    3) I did not do homework.
    4) I was not doing homework.