Напишите все возможные формы инфинитива глаголов: to do, to read, to ask, to talk, to sing, to learn.

Конечно, я помогу вам разобраться!

Инфинитив глагола представляет собой форму глагола, которая не указывает на время действия и не связана с определенным лицом или числом. Он обычно начинается со слова "to" в английском языке. Теперь рассмотрим каждый глагол из вашего вопроса и напишем все возможные формы его инфинитива:

1. to do (сделать):
- Infinitive form: to do
- Present simple: do/does
- Past simple: did
- Present continuous: am/is/are doing
- Past continuous: was/were doing
- Present perfect: have/has done
- Past perfect: had done
- Future simple: will do
- Future continuous: will be doing
- Future perfect: will have done

2. to read (читать):
- Infinitive form: to read
- Present simple: read/reads
- Past simple: read
- Present continuous: am/is/are reading
- Past continuous: was/were reading
- Present perfect: have/has read
- Past perfect: had read
- Future simple: will read
- Future continuous: will be reading
- Future perfect: will have read

3. to ask (спрашивать):
- Infinitive form: to ask
- Present simple: ask/asks
- Past simple: asked
- Present continuous: am/is/are asking
- Past continuous: was/were asking
- Present perfect: have/has asked
- Past perfect: had asked
- Future simple: will ask
- Future continuous: will be asking
- Future perfect: will have asked

4. to talk (говорить):
- Infinitive form: to talk
- Present simple: talk/talks
- Past simple: talked
- Present continuous: am/is/are talking
- Past continuous: was/were talking
- Present perfect: have/has talked
- Past perfect: had talked
- Future simple: will talk
- Future continuous: will be talking
- Future perfect: will have talked

5. to sing (петь):
- Infinitive form: to sing
- Present simple: sing/sings
- Past simple: sang
- Present continuous: am/is/are singing
- Past continuous: was/were singing
- Present perfect: have/has sung
- Past perfect: had sung
- Future simple: will sing
- Future continuous: will be singing
- Future perfect: will have sung

6. to learn (учиться):
- Infinitive form: to learn
- Present simple: learn/learns
- Past simple: learned/learnt
- Present continuous: am/is/are learning
- Past continuous: was/were learning
- Present perfect: have/has learned/learnt
- Past perfect: had learned/learnt
- Future simple: will learn
- Future continuous: will be learning
- Future perfect: will have learned/learnt

Это все возможные формы инфинитива для каждого из данных глаголов. В них представлены основные временные формы, которые могут быть использованы для выражения различных действий в разное время. Если у вас возникнут еще вопросы или нужно чем-то помочь, пожалуйста, спрашивайте!