every, each 都表“每一”,但every指大家具有的共性,every 还等于all表示全体齐全,一个不缺; 而each强调每个人或事物有着各自互不相同的个性或差异性。此外every还可表每隔(一段时
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间/距离)。例如：
Every student is here. 学生都到齐了。
Every two weeks he goes to visit his friends in the town. 他每隔一周去看一次他在城镇的朋友。 Each person has his own advantages. 每个人都有他的优势 (长处)。 Each story has an interesting name. 每个故事都有一个有趣的名字。
2.. Alison was the first one to start, and has been skating for the whole five hours. Alison是第一个开始滑的,并且已滑了足足5个小时。
注: 序数词前必须用定冠词the, 后接名词或代词。句中不定式短语“to start”作后置定语修饰代词one, one指代滑冰的人。
3. –– So how long have you been playing? –– Three and a half years. 【用法透析】
表示“（ 时间）几个半……”有两种方式： ①“基数词 + and + a half + 复数名词”； ②“基数词 + 名词 + and + a half”。
two and a half hours / two hours and a half（两个半小时） one and a half years / one year and a half （一年半） 【训练案】
根据句意用for或since填空。
1. It’s ten years ______ we met each other last time. 2. He has taught English _____ 25 years.
3. The Greens have lived on the farm ______ 1990. 4. They have been practicing the guitar____ two hours.
5. - How long have you been a reporter? - _____ 8 years ago. 6. I haven’t gone for a walk in the park ____ a long time. 7. He’s been collecting stamps ______ he was in primary school. 8. Peter has been to summer camp ____ 3 times.
(对划线部分提问)
10. Li Lei told me yesterday. Zhang Yining wins the Olympic gold medal for ping pong. (合成句子) 【我的收获】
我的收获是______________________________________________________ 我的不足是__________________________________________
我努力的方向是______________________________________________________
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Unit 6 How long have you been collecting shell ? (3)
1．学生个人课前以预习案内容为主，朗读并记忆四会单词的意义及用法。 2．找出本节课要学到的有关短语，两人英汉互译合作记忆。
3．探究案以两人或小组合作学习为主解决，有争议或无法确定的内容教师辅助解决。 4．训练案当堂完成，学生分层次进行对改展示，教师适当进行点拨和指导。 5．我的收获由学生和教师分别完成，对本节课做简要总结，以利改进和提高。 【学习目标】1. Knowing the new words and expressions.
2. To learn to talk about how long you have been doing things 3. To learn to use present progressive tense
【重点难点】
重点：Words and expression in this period.
难点：一般过去时,现在完成进行时和现在完成时的区别： 【预习案】
1. Read and recite the wards from page 47to 48of the vocabulary. 2. Read SB Page 47, turn them into Chinese.
collect the kites, ten years old, fly … in the park, stuffed animals, collect … for five years, like … best,
so cute, collect theater and movie tickets, since last year, put …in…, look like an interesting collection 3. How long have you been doing sth ? I have been doing sth since …
I have been doing sth for … (period of time) . 【探究案】
1. What can we collect?
map, key, pen, ruler, watch，ID card, pencil, book, eraser, dictionary, backpack, pencil sharper, baseball, computer, ring, picture, photo, plant, alarm o’clock, hat, soccer, racket, ping-pong, volleyball, basketball, furniture, dollar, clothes, movie, camera, tea, sunglasses, belt, wallet, key ring…
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2. 一般过去时、现在完成进行时和现在完成时的区别： How long did you skate? (一般过去时)
How long have you been skating? (现在完成进行时) How long have you been here? (现在完成时) 注意:
1) 一般过去时表示在过去某个时间发生的动作或存在的状态, 该动作已结束, 不强调同现在的关系。
2) 而现在完成进行时表示动作从过去开始发生一直持续进行(到现在), 可能仍在进行, 也可能停止了一会儿。
3) 现在完成时强调的是:
① 表示过去发生或已经完成的动作对现在造成的影响或结果。
② 过去某一时间开始并一直持续到现在(包括“现在”在内) 的动作或状态, 可以和表示延续的时间状语连用。
注意这三个时态语意上的差异。 【训练案】
根据句意及首字母完成下列单词。
1. How long have you been c________ shells? 2. Was this your first skating m________?
3. When did you get your first p_____ of skates? 4. I p___________ love globes with animals.
5. Although I am new, I have s______ friends here .
6. In Australia, students usually study A________ and western history. 7. There is some European i________ in the city.
8. Our class is organizing a talent show to r_____ money for charity. Translate and write them down.
1. 我想要收集邮票，因为它们很有趣。
2. - 他收集风筝有多长时间了？
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