用于书信写作的常用句型：
①Thank you for your letter of …
②It is a pleasure for me invite you on behalf of … to accept …
③Thanks so much for your letter , which arrived …
④I am writing to you with reference to …
⑤I am writing to you in connection with …
⑥I would be grateful if you could / would …
⑦I would like to know some information on …
⑧It will be appreciated if you can / could …
⑨I would also like to know if you can / could …
⑩I look forward to hearing from you.
用于结尾的常用句型：
①From what has been discussed / mentioned above , we may conclude that …
②Therefore , it is not difficult to draw / come to the conclusion that …
③It is high time that something was done about …
④From all the reasons / consideration above , it is evident / clear / obvious that …
⑤Taking into account all these factors , we may reach the conclusion that …
⑥Given the reasons / consideration I have just outlined / discussed / presented , I strongly recommend that …
⑦It is clear , therefore , that …
⑧All in all ,what really matters is , in fact , to …
⑨It is essential that effective measure be taken to …
⑩From what has been discussed above , we may reasonably arrive at the conclusion that …
用于总结的常用句型：
①In conclusion ,the most important is …
②On the whole , it is high time that every one …
③As a result , we should take some effective steps to …
④Judging by the figures / statistics , it is not difficult to see that …
⑤Only in this way / in so doing , can be really …