雅思考試分爲Academic(以下簡稱爲A類)和General Training(以下簡稱爲G類)兩種模式。通常來說，以出國工作或者移民爲目的的考生應該選擇G類考試。A類和G類考試的區別在閱讀和寫作兩項考試上，其中寫作考試中的任務一G類與A類題型截然不同。
從官方介紹不難看出，G類寫作任務一(以下簡稱T1)要求考生在20分鐘左右完成一篇書信的寫作，考生也許會被要求去詢問信息或解釋某些狀況。但是，具體而言，考生可能會碰到哪些形式的書信寫作呢?雅思G類T1書信類型主要包括感謝信、道歉信、投訴信、求職求學信、邀請信、建議信和諮詢求助信等七種。下面yjbys網小編將就常考的幾種題型，給出相應的解題思路(即書信寫作文章結構)與寫作句型。
一、感謝信
1. 書信結構
寫感謝信時，書信主體部分一般分爲三個段落。第一段自我介紹，表明自己的身份(如果給比較陌生的人寫信)，說明寫信的目的並且表示清楚對對方的謝意。第二段詳細說明對方幫助自己的過程，事情發生的具體細節，強調對方給予幫助的重要性。第三段提出回報對方好意的建議，並再次表達自己的感謝之情。
2. 常用句型
1) I take this opportunity to express to you my deep appreciation for the kind assistance you rendered me.
2) I wish there were a better word than “thanks” to express my appreciation for your generous help.
3) My appreciation to you for your generous help is beyond words. I wish I could repay it one day.
4) Please accept my most cordial thanks for your timely help, which I will always remember.
5) Thank you from the bottom of my heart for your kind help.
6) I hope to have an opportunity to reciprocate your generosity.
7) I appreciate the support you have provided and your assistance has been invaluable to me.
二、道歉信
1. 書信結構
道歉信通常有四個主要部分。第一部分自我介紹，說明寫信目的'，爲自己做錯的事表示歉意。第二部分說明當時情況並解釋原因，提出有力的觀點，側重事實，避免歸咎其他人。第三部分提出補救方案，表達自己想改過或者補救的希望，注意考慮收信人的情緒。最後一部分再次道歉，首尾呼應，表達不會再犯同樣錯誤的願望，建立信用和信任。
2. 常用句型
1) I just wanted to write you a quick note to apologise for not being able to keep our appointment tomorrow.
2) In deference to your valuable time，I would like to get straight to the point and admit that I was wrong.
3) I really hope that you will be able to accept my apology.
4) Please accept my apologies for…
5) Please accept my sincere apology for missing the interview scheduled for…
6) Please accept my apology for the delay and thank you for your understanding.
三、投訴信
1. 書信結構
投訴信是雅思考試中最常見的一種，寫信時應該重點包括三個部分。第一部分爲自我介紹、投訴事由、自己的感受等;第二部分爲投訴的事實與理由，具體描述當時的情形，如人物、時間、地點和原因等。指出具體問題及其所產生的後果;第三部分可分爲提出個人要求或者建議，清晰說明讀信人可以做的補救措施，希望有關部門和人士做出相應的改進，以及提出願望，希望早日得到答覆。
2. 常用句型
1) I am writing to express my dissatisfaction with .
2) There are some problems with that I wish to bring to your attention.
3) I regret to inform you that .
4) You can imagine my disappointment when I discovered that _.
5) You can imagine my feelings when I realized that this would mean .
6) Even though I telephoned you about , .
7) I hope that the authorities concerned will consider my suggestions and improve the situation as best as they can.
8) We trust that you will now consider this matter seriously and make an effort to prevent the recurrence of this kind.
9) We will appreciate your willingness to make up for the loss.
四、邀請信
1. 書信結構
寫邀請信時，書信主體應該至少寫到三個部分。第一部分自我介紹，大概描述活動或計劃的內容並指定被邀請參加的人。第二部分指定日期、地址和時間。提出邀請，希望對方參加。如果恰當的話，清楚指明出席活動所需要做的準備，如着裝要求等。第三部分設定要求對方回覆的日期，並表達感謝。
2. 常用句型
1) I would like to invite you to dinner and be our guest.
2) I would like to invite you to join us and attend this meeting.
3) I am glad to invite you to participate in my graduation ceremony.
4) I am honoured to invite you to our wedding, as I understand that you only come to visit on special occasions.
5) Your presence is immediately requested.
五、建議信
1. 書信結構
寫建議信，主要有三個部分。第一部分自我介紹，指出存在的問題，簡要指出其可能的不良後果。第二部分具體介紹情況：表示對存在問題有興趣，分析其產生原因，並提出合理建議。將最重要的建議放在首尾。強調所有重要的事項。第三部分期望對方對該問題重視，早日解決問題並表達自己願意提供進一步的幫助。
2. 常用句型
1) If I can be of any assistance in any way，please do not hesitate to call me.
2) I am available at Flat 304，Green Revenue，，if you require any further information.
3) I am happy to supply any further information you may require and I look forward to hearing from you shortly.
4) Please contact me if I can be of any assistance.
六、諮詢求助信
1. 書信結構
諮詢信一般分爲三部分：第一部分自我介紹，說明寫信目的(詢問某方面情況)，指明你所需要的信息;第二部分提供相關背景信息，指出你爲什麼需要這些信息。詢問具體相關事宜。指明你什麼時候需要這些信息;第三部分表達請求幫助的願望，預先感謝對方的幫助，並表示希望早日得到答覆。
2. 常用句型
1) I would be much obliged to you if you could let me know the procedures I have to go through.
2) Your prompt and favorable attention to my inquiry would be highly appreciated.
3) I am looking forward to a favorable reply/response at your earliest convenience.
4) Would you provide me with some valuable advice?
5) Your kind reply will be highly appreciated.
6) It would be greatly appreciated if you could furnish me with relevant booklets on the above-mentioned aspects.
7) I am writing to enquire whether I may become a member of your club.
8) I would be grateful if you could let me know your annual fee charges and any other information which would be useful.
9) Please let me know as soon as possible how you propose to settle this matter.
10) Although at this time of year you will have more work to deal with than usual, I would appreciate a reply in a not too distant future.
雅思G類T1寫作主要考察考生英文實用寫作的運用能力。各位考生在備考時應該注意夯實詞彙語法功底，搞清楚不同書信類型的寫作結構並熟練掌握常用句型。
