WRITING SKILL - HOW TO WRITE INFORMAL E-MAILS AND LETTERS IN ENGLISH

HEADERS
(ONLY IN LETTERS) Date on the right: ordinal number + month + year
(ONLY IN E-MAILS) FROM: (sender) TO: (receiver) SUBJECT: (topic)

Dear (name) / Hi (name),

OPENING EXPRESSIONS TO BEGIN THE E-MAIL / LETTER
How are you? How have the family been? I hope you (and your family) are well.
How are things?
How is it going?
Thanks for your last e-mail/letter.
It was great/nice to hear from you (again).

REASONS TO WRITE THE E-MAIL / LETTER
I'm writing because ....
I'm writing to tell you that ...

ASKING FOR SOMETHING
Can you please + (infinitive)?
Could you please + (infinitive)?
Is it possible to + (infinitive)?
Would you mind + (gerund)?
Is it OK if I + (Present Simple tense)?

CLOSING EXPRESSIONS
Well, that's all for now. 
Give my love/regards to ...
Say hello to ...
Hope it all goes well with ...
Best of luck with ...
(I) hope to hear from you soon. 
Look(ing) forward to hearing from you.
(Please) write soon.
Take care,
Best wishes,
All the best,
(Lots of) love,
Regards,

OBSERVATIONS
- Divide the e-mails / letters into paragraphs, grouping similar ideas in the same paragraph: Introduction - Body - Conclusion.
- Use contracted forms and informal expressions.
- Use simple sentence structure.