思路分析]
为英文日记记述当天已发生的事情，因此在时态上体现一般过去时的特点，根据实际需要有可能个别句子使用过去进行时，同学们一定要熟悉这一时态特点，将一般过去时的时态落实到所适应的每个句子中去。但是日记的最后有可能交待写日记时的感受，可用一般现在时，如日记末尾常出现Now I feel very glad because I have done a good deed．之类的句子，不过该内容也可理解为所述事件发生时的感受，从而表达为：At that time I felt very glad because I had done a good deed．这两句中的时间状语Now和At that time表明两句所用时态是完全正确的。
   
日记多记述当天发生的有意义的事件,因此常可使用一些具有自我特色的单词、短语和句型,如:hold(举行)、attend(参加)、bepresentat(出席)、bedividedintoafewgroupstohaveadiscussion(分组讨论)、onone'swayto(在某人去某地途中)、happento(事件发生在……身上)、crossthestreet(过街)、 dosth。
  (帮助某人做某事)、bethankfultosb。或expressone' rsth。或 rsth。(因某事对某人表示感激)、belatefor(迟到)、doagooddeed(做一件好事)等。同学们一定要熟悉这些显示英文日记自我特色的单词、短语和句型,并将这些单词、短语和句型稔熟于心,同时还应加强使用意识,确保在适当场合有选择地加以运用。
  
[解题过程]
你可以参考一下这篇日记：
Sunday May 21,2003 Sunny 
　Going on a Picnic 
　　Today was Sunday。 The weather was fine and warm。
   The sky was very clear and blue。 My classmates and I were very happy, because we went out for a picnic at Nanshan Hill。 We went to Nanshan Hill by bike with fruits, eggs, meat, vegetables, knives and some other things。
   
　　About one and a half hours later, we came to a nice place at the foot of the hill。 There were many beautiful flowers and green trees。
   Birds sang their sweet songs。 How pleased we were! Then we were busy with the picnic。 Some of us were getting water, some were cutting the meat and vegetables and cook, others were sitting on the grass and waiting for nice lunch。
   At about 13 o''clock, our lunch was ready。 We all sat around on the green grass, singing, talking, eating and drinking。 At about 16:00 we began packing for our return。
   
　　What a nice time we were having!。