其實(shí)英文書信寫作不比中文書信，格式很簡(jiǎn)單，有以下幾點(diǎn)需要注意：

好，格式問題不多說了，相信有腦子的童鞋已經(jīng)沒問題了，下面說說正事兒

四級(jí)寫作一共需要寫120——180詞，說實(shí)話，字?jǐn)?shù)真的不多

但是我知道你們根本腦子一團(tuán)漿糊，一個(gè)詞也寫不出來

所以四哥送你們

一個(gè)字

使勁湊

到底怎么湊？很簡(jiǎn)單

↓繼續(xù)看下文↓

The time flies, we haven't seen each other for a long time. All the things here are going on pretty well, I just miss you so much!

時(shí)間過得很快，我們已經(jīng)很久沒見了。這里一切都好，就是很想你。

It is so great to hear from you again.

能再次收到你的來信我很開心。

Long time no see!

（好像是中國(guó)人說的，但是老外也常用了！）

好久不見。

I trust that everything is going smoothly for you.

我相信你那里一切都好。

It is a great pleasure for me to have this wonderful chance to put pen to paper and send greetings to you.

很高興我有這樣的機(jī)會(huì)提筆給你寫信，寄給你我的問候和祝福。

四哥哥想說：你們自己數(shù)數(shù)光這一句話就多少詞了！

In my humble opinion, you would be wise to take the following action:
在下認(rèn)為，如果你能采取以下措施，將是一種明智的選擇。

I hope you will not find it too forward for me to suggest that you...
請(qǐng)?jiān)徫业闹苯?，不過，希望你能___________。

In my experience, it seems that _______ would make sense in your situation.
從我的經(jīng)驗(yàn)來看，針對(duì)你的情況，似乎________會(huì)有幫助。

At the risk of overstepping my boundaries, allow me to suggest that you____。
請(qǐng)?jiān)徫业拿懊粒贿^我建議你_____________。

提一個(gè)建議用一句這個(gè)往里一套，字?jǐn)?shù)＋＋＋妥妥的！

I truly appreciate your kindness. 

我很欣賞你的仁慈。

I am grateful to you for...
非常感謝你_________________-。

I appreciate it more than I can say.
我對(duì)你表示萬分感謝。

I can never thank you enough.
萬分感謝。

I wish there were a better word than ' thanks ' to express my appreciation for your generous help.
其實(shí)，對(duì)你的幫助豈能用'謝謝'二字可以表達(dá)的。

It was kind and generous of you to do this for me, and I appreciate it more than I can say.
你對(duì)我如此慷慨，真是對(duì)您感激不盡。

Many thanks for your kindness and hospitality.
非常感謝你的仁慈和好客。

Now we have arrived back home safe and sound.
現(xiàn)在我已經(jīng)安全到家。

Thank you from the bottom of my heart for...
我打從心底謝謝你（真誠(chéng)地感謝你）。

Thank you again for your kindness.
謝謝你的好意。

建議憋不出來字?jǐn)?shù)的童鞋，用中間那兩句賊長(zhǎng)的句子~

Please accept my sincerest and deepest apology.
請(qǐng)接受我最誠(chéng)摯、最深刻的道歉。

I apologize most sincerely for... 
我誠(chéng)摯地對(duì)___________向你道歉。

I am truly sorry to have done...
我對(duì)________向你表示道歉。

Please forgive me...
請(qǐng)?jiān)徫以鴂_________。

I owe you an apology...
我為______向你道歉。

I regret to inform you that I am unable to do..
很遺憾地告訴你，我沒法___________。

I am so sorry to have put you through so much trouble...
很抱歉給你帶來這么多麻煩，__________。

這個(gè)是不是字?jǐn)?shù)有點(diǎn)少？想辦法多用幾句呀~

The honor of your presence is requested...
若你能出席________，我（們）將感到萬分榮幸。

It's a pleasure for me to invite you to...
我很榮幸地邀請(qǐng)你參加__________。

We sincerely hope that you make it.
我們真誠(chéng)地希望你能參加。

We would be honored to have you there with us...
如果您能參加我們的__________，我們將不甚榮幸。

I will cover all the expense involved.

我將負(fù)擔(dān)所有的費(fèi)用。

其實(shí)用最后一句邀請(qǐng)別人，估計(jì)誰都會(huì)同意的

I can only imagine how difficult this time must be for you, and I want to extend to you my unwavering support.
我能想象你所經(jīng)歷的一切，而且，我想告訴你，我會(huì)永遠(yuǎn)支持你。

這句話你要是能在作文里用上，你真牛逼了就

I am writing to express my dissatisfaction with\at...

我寫這封信是想告訴你們我對(duì)________不是很滿意。

I very much regret to have to inform you that...
很遺憾地通知你，__________。

I would like to draw the attention of the authorities concerned to the ...
我想就_____________問題引起有關(guān)部門的重視。

I feel something ought to be done about...
我覺得________方面還可以作一些努力（需要改進(jìn)）。

I hope that the above situation will be improved as soon as possible.
我希望以上問題（情況）能盡快解決（改進(jìn)）。

Your effort to provide good services will be highly appreciated by all.
我們會(huì)很感激您作出的一切努力。

We will appreciate your willingness to make up for the loss.
我們真的希望你們能對(duì)損失作出補(bǔ)償。

要抱怨，就要多重復(fù)！多強(qiáng)調(diào)！字?jǐn)?shù)一下就多了呢

I would like to request some information about...

我想對(duì)_______問題向您咨詢。

My first question is...

我的問題就是__________。

I am greatly concerned about...

我對(duì)_________較為關(guān)注。

Should I need to send further materials, please let me know.

我是否需要再寄其他資料給你，請(qǐng)及時(shí)告知。

Could you be so kind as to send me some relevant booklets on the above-mentioned aspects.

能否針對(duì)上述的問題寄些相關(guān)的小冊(cè)子給我。

第二句不建議使用，太簡(jiǎn)單了，主要是，一共才幾個(gè)詞，太tm少了

Again, I would like to express our warm thanks to you.
我想再次對(duì)你表示感謝。

I am looking forward to a favorable reply at your earliest convenience.
我希望待盡快給我回復(fù)。