в 3 задании нужно задать вопрос и отрицание в презент симпл
в 4 задании нужно задать вопрос и отрицание в паст перфект

3)
1. Do I work at the restaurant?
    I don't work at the restaurant
2. Does my mother seldom cook dinner?
    My mother seldom doesn't cook dinner
3. Do they help their friends?
    They don't help their friends.
4. Do I often fry fish?
    I don't often fry fish.
5. Does my grandmother dry apples in summer?
    my grandmother doesn't dry apples in summer
6. Does he do shopping on Monday?
    he doesn't do shopping on Monday.
7. Do we have lunch at 12?
    We don't have lunch at 12.
8. Does she tin meat herself?
    She doesn't tin meat herself.
9. Do I bake delicious apple pies?
    I don't bake delicious apple pies.
10. Do they usually take a table by the window?
      They don't usually take a table by the window.
11. Do we order fish and chips in this snack bar ?
      We don't order fish and chips in this  snack bar.
12. Does he eat so much?
       He doesn't eat so much.
13. Do I drink a glass of juice every morning?
       I don't drink a glass of juice every morning.
14. Do we buy  dairy products every day?
      We don't buy dairy product every day.
15. Does this waiter serve this table?
       This waiter doesn't serve this  table.
16. Am I in a hurry?
      I am in a hurry.
4)
1. Did Ann love her  cat very much?
     Ann  didn't love her cat very much.
2. Did they often go to the cinema together?
    They didn't often go to the cinema together.
3. Did Mother buy a cake for tea?
    Mother didn't buy a cake for tea.
4. Did i have dinner with my family yesterday?
    I didn't have dinner with my family yesterday.
5. Did we come home late last night?
    We didn't come home late last night.
6. Were  they very thirsty after dinner?
     They weren't very thirsty after dinner.
7. Did he drink two cups of tea?
    He didn't drink two cups of tea.
8. Did mother make a wonderful dinner yesterday
    mother didn't make wonderful dinner yesterday.
9. Did granny like to cook very much?
    Granny didn't like to cook very much.
10. Did she recommend this restaurant to me?
      She didn't recommend this restaurant to me.
11. Did my parents have a nice car three years ago?
      My parents didn't have a nice car  3 years ago.
12. Did I eat on the run in a fast-food restaurant yesterday?
       I didn't eat on the run in a fast-food restaurant yesterday.