Dear (first name),
Thank you for your letter/mail.
It was great to hear from you.
I’m sorry I haven’t been in touch you for such a long time.
I hope you’re having a good/great time.
Inquiring about their news
How are you/your family? / How are things?
Great news about … Glad to hear that … Sorry to hear about …
Listen, have I told you …? You’ll never believe …
I’ve got some good/bad news…
Oh, and another thing …
I thought you might be interested to hear that …
I’m writing to apologise for…
I’m really sorry that I forgot about your birthday/anniversary.
I’m/We’re having a party on Sunday and I hope you will be able to join us.
I was wondering if you’d like to go to the movies/camping with us?
Thank you very much for your invitation. I’d love to come.
Thank you for asking/inviting me to … but I’m afraid I won’t be able to …
I’m writing to ask for your help/you to do me a favor.
I hope you don’t mind me asking but could you (possibly) …?
I’d be very/really grateful if you could …
Thank you/thanks a bunch/a million.
I appreciate your help/invitation/advice.
It was so kind of you to …
I really appreciated all your help/advice.
Congratulations on getting a new job!
I wish you good luck with your new job/your driving test/your interview.
Making suggestions and recommend.
Why don’t you …? Maybe you could …? How about …?
If I were you, I’d…/I’d recommend that you…
Have you thought about…?/ Don’t miss to…
I should/must go now… Well, that’s all for now…
Give my love/regards to … Say hello to … Hope to hear from you soon.
See you soon! Write soon. Once again, thank you for all your help.
Love/Lots of love/Take care/Yours/Best wishes,