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       礼貌高级句式

　　i wonder if i could invite you to dinner tomorrow evening.

　　类似的句式

　　would it be possible for to...

　　i would like to..

　　please...

　　i would be grateful if you could.....

　　i should be most grateful if you could....

　　i would appreciate it if you could...

　　we were windering if you could

　　表示谢绝：

　　i would love to , but i am afraid i have already.......

　　表示建议：

　　i think we ........

　　i prefer....if you do not mind.

　　i would rather....if you do not mind,

　　常见的抱怨批评导语句型有：

　　i must complain about...

　　i wish to make a complain about...

　　i am writing to complain about one annoying aspect of your service...

　　i regret to inform you that..

　　i am sorry to inform you that

　　i have always been interested in ....until you...

　　i have always enjoyed....until you.....

　　i am writing to express my dissatisfaction with the quality of....

　　i am not satisfied with....

　　表达抱怨批评情绪的方式：

　　i am much disappointed about...

　　i can not understand and appreciate your...

　　i can only conclude that...is an exception . it is , however ,enough to keep us from..

　　what i found intolerable were the countless hours wasted in..

　　this is more than i could tolerate

　　i note with regret that... not just a loss of... but a loss of...

　　it is regrettably true that tasteless program...