Назовите три формы следующих неправильных глаго­лов: То be; to have; to mean; to learn; to become; to...

Конечно, вот три формы для каждого из перечисленных неправильных глаголов:

1. To be (быть)

   • Present (настоящее время): am/is/are
   • Past (прошедшее время): was/were
   • Past Participle (причастие прошедшего времени): been

2. To have (иметь)

   • Present: have/has
   • Past: had
   • Past Participle: had

3. To mean (значить)

   • Present: mean
   • Past: meant
   • Past Participle: meant

4. To learn (учить, изучать)

   • Present: learn
   • Past: learned/learnt
   • Past Participle: learned/learnt

5. To become (становиться)

   • Present: become
   • Past: became
   • Past Participle: become

6. To bring (приносить)

   • Present: bring
   • Past: brought
   • Past Participle: brought

7. To know (знать)

   • Present: know
   • Past: knew
   • Past Participle: known

8. To think (думать)

   • Present: think
   • Past: thought
   • Past Participle: thought

9. To buy (покупать)

   • Present: buy
   • Past: bought
   • Past Participle: bought

10. To pay (платить)

    • Present: pay
    • Past: paid
    • Past Participle: paid

11. To take (брать)

    • Present: take
    • Past: took
    • Past Participle: taken

12. To do (делать)

    • Present: do/does
    • Past: did
    • Past Participle: done

13. To begin (начинать)

    • Present: begin
    • Past: began
    • Past Participle: begun

14. To give (давать)

    • Present: give
    • Past: gave
    • Past Participle: given

15. To make (делать, создавать)

    • Present: make
    • Past: made
    • Past Participle: made

16. To keep (держать, хранить)

    • Present: keep
    • Past: kept
    • Past Participle: kept

17. To get (получать)

    • Present: get
    • Past: got
    • Past Participle: got/gotten (в зависимости от диалекта, в британском английском чаще используется "got", в американском - "gotten")

18. To read (читать)

    • Present: read (произносится как [riːd])
    • Past: read (произносится как [rɛd])
    • Past Participle: read (произносится как [rɛd])

19. To show (показывать)

    • Present: show
    • Past: showed
    • Past Participle: shown/showed (обе формы допустимы, "shown" используется чаще)

Эти три формы глаголов используются для образования различных временных форм и залогов в английском языке.

1. To be: am, is, are
2. To have: have, has, had
3. To mean: mean, meant, meant
4. To learn: learn, learned (learnt), learned (learnt)
5. To become: become, became, become
6. To bring: bring, brought, brought
7. To know: know, knew, known
8. To think: think, thought, thought
9. To buy: buy, bought, bought
10. To pay: pay, paid, paid
11. To take: take, took, taken
12. To do: do, did, done
13. To begin: begin, began, begun
14. To give: give, gave, given
15. To make: make, made, made
16. To keep: keep, kept, kept
17. To get: get, got, gotten (got)
18. To read: read, read, read
19. To show: show, showed, shown