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English Email Phrases: Openings, Asks, and Sign-Offs

English email phrases that sound natural — greetings, opening lines, clear asks, following up, and sign-offs, from casual to formal.

Updated 7月 21, 2026 3 min read

A clear English email has four simple parts: a subject line, a greeting, the message (usually one clear ask), and a sign-off. Get those four right and you'll sound professional in any inbox. This guide gives you natural phrases for each — from casual to formal — plus the small mistakes to avoid.

Subject lines and greetings

Keep the subject short and specific. "Question about Friday's meeting" beats "Hi" or "Important!" every time — the reader should know what's inside before they open it.

Then choose a greeting to match the reader:

Greeting Register
Hi Ana, Standard work default (yes, "Hi" is professional now)
Hello team, Writing to a group
Dear Ms. Chen, Formal, or a first contact
To whom it may concern, Last resort, when you have no name

Opening lines

A quick friendly line before your point is normal in English — but keep it short.

Phrase Tone
I hope you're doing well. Safe and standard
Hope your week's going well. Warm, a little casual
I'm writing about... Straight to the point (also fine)

"I hope this email finds you well" has become a bit of a cliché — people even joke about it. It isn't wrong, but varying it ("Hope you had a good weekend") or simply getting to the point sounds fresher and more human.

Making your ask clearly

Most emails exist to ask for one thing. Say it plainly, and give a deadline if you have one.

Phrase When to use it
I'm writing to ask... Stating your purpose
Could you send me the file by Friday? A clear, dated request
Just following up on my email from Monday. The polite nudge
Let me know if you have any questions. A friendly close to the ask

"Just following up" is the phrase to remember. It's the polite, standard way to chase a reply without sounding pushy — it works whether you're waiting on a coworker or a company.

Attachments and register

When you attach a file, "I've attached the report" sounds natural. You'll also see the very formal "Please find attached" — fine to recognize, but you don't need to write it, and it can sound stiff.

Save texting shortcuts for texting. "u," "thx," "gonna," and lowercase "asap" all look too casual at work. A few upper-case ones are accepted in professional email: FYI (for your information), ASAP (as soon as possible), EOD (end of day). Our guide to texting abbreviations sorts the work-safe ones from the rest.

Sign-offs

Your closing line should match how formal the email is. Here's a simple ladder from safe to specific:

Sign-off When to use it
Best, / Best regards, Safe defaults for almost anything
Kind regards, Formal (a little more common in the UK)
Thanks, / Thanks so much, When you're asking for something
Cheers, Casual (leans UK and Australian)

Then add your name. For a first email to a stranger, "Best regards" is never wrong.

Here's the same short message, casual and formal, so you can feel the difference:

Casual Formal
Hi Ana, Quick one — can you send Friday's notes? Thanks so much! Best, Sam Dear Ms. Chen, I'm writing to ask whether you could send me the notes from Friday's meeting. Kind regards, Sam

Keep learning English

Email is where your written English gets judged, so a few reliable phrases go a long way. Practice these openings, asks, and sign-offs in the Pretalk app, and build the grammar that keeps your sentences clean with our free English grammar guides.

Learn English the fun way

Turn these phrases into a habit — bite-size lessons with real audio in Pretalk, free to start.

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