Unit 7 Lesson 37 Dont Fight!.ppt

1、Unit 7 Lesson 37 Dont Fight!Conjunctions: and, but, or, so,and连接语法作用相同的部分。 如： Let me know what you saw and heard in Europe. 如果连接的两个名词是指同一个人而有两种身份时, 第二个名词前不要加冠词或所有格。 如：Her husband is a singer and songwriter. 祈使句+and代替条件句。 如：Work hard and you will pass the examination.,由and连接两个主语时谓语动词要用复数形式。 如： You an

2、d I are from China. 但是， and前面的主语之前有every, each, no, many a 的时候用单数谓语动词。 如： Every train and bus was crowded with many people.,but用来表示转折,如： He tried hard but he was unsuccessful. 还可以用在no one, none, nobody, nothing, all, every等词之后表示”除了以外”。 如：All the boys but one are here.,or连接句子或词组,表示 “或者”之意。 Which do y

3、ou prefer, yellow, blue or red? Was he angry, or was he pretending? or, 也有“否则”的意思。 如：Be quick, or you will be late.,so表示因此, 相当于therefore（adv.） 如： They cost a lot of money, so use them carefully. It is very cold. Therefore, we should stay here.,because, so这两个连词不能用在同一个 句子中。例如：我们不能说“Because John was il

4、l, so I took him to the doctor.” 这个 句子应改为： Because John was ill, I took him to the doctor. 或 John was ill, so I took him to the doctor.,难点链接,although, but 这两个连词不能用在同一个句 子中。例如：我们不能说“Although he is over sixty, but he works as hard as others.” 这个句子应改为： Although he is over sixty, he works as hard as oth

5、ers. 或 He is over sixty, but he works as hard as others.,难点链接,误 He or his parents has some tickets for the film. 正 He or his parents have some tickets for the film. 析 由or 连接两主语时，谓语动词应与相 临近的那一个主语保持一致。,正误辨析,误 Though he is poor, but he is ready to help others. 正 Though he is poor, he is ready to help o

6、thers. 正 He is poor, but he is ready to help others. 析 “虽然但是”是中文中的常用结构，但在 英文中用了“虽然”则不要用“但是”，用了“但是”则 不能再用虽然，二者只可用其一。,正误辨析,误 Tom is our English teacher and teaching English in our school now. 正Tom is our English teacher and is teaching English in our school now. 析 并列句中常常在后面的句子中作一些省略， 以免重复，但不是所有词都可作任意的

7、省略的。当 你连接的是两个系动词时，后面的那个系动词不可 省略，也就是讲连接的部分不可省略。,正误辨析,1. We bought Granny a present, she didnt like it. A. but B. and C. or D. so 答案 A 析 由于句意的原因，应选择转折连词。 2. Run quickly, well miss the early train. A. and B. but C. so D. or 答案 D 析 or这里应译为：否则。,例题解析,3. You must start right now, youll miss the train. A. f

8、or B. and C. so D. or 答案 D 析 or 译为“否则”。本句句意为：你必须马上走了，否则 要赶不上火车 4. I like fish, chicken, eggs. A. and, and B. and, with C. /, and D. and, / 答案 C 析 在有若干个名词或动词出现时，每一个词之间只用逗 号连接，只在最后两个词之间加and。如：The old man passed the street, went into a shop and bought some food。,例题解析,5. - Which would you like better, tea milk? - Tea, please. A. but B. and C. or D. with 答案 C 析 在疑问句与否定句中应用or来表示一种选