Technique Builders

Writing English Builders
Informal
Alex,
Have you prepared the statistics for the meeting next week?
Frank

Formal
Dear Mr. Smith,
Our team is doing a presentation at your company next week.
Can you supply us with a projector?
Regards,
John Gardner

Very formal
Dear Mr. Longman,
We would be very interested in presenting our products to your team. Would you be available next week.
Yours Sincerely,
Brian Stafford.

For information

Upper Case: L is an upper case l.
Capital Letters: Capital J-O-H-N.
Lower Case: Jack all lowercase is j-a-c-k.