人教版八年级英语上册Unit 2 How often do you exercise？语法训练-频率副词

这是一份人教版八年级英语上册Unit 2 How often do you exercise？语法训练-频率副词，共3页。
Unit 2 How often do you exercise？语法训练频率副词一、基本用法频率副词表示事情发生的频率，通常用于一般现在时。常用的频率副词：always总是，一直，usually通常，often经常，常常，sometimes有时，hardly ever几乎从不，很少，never从不。另外表示频率的还有almost always几乎总是，seldom很少，almost never几乎从不。频率比图示如下：频率副词的比较二、特殊用法1.频率副词的位置：句中只有一个行为动词时，频率副词位于动词之前；当有助动词/系动词/情态动词时，位于其后。2.sometimes=at times可位于句首/句中/句末。Sometimes I walk to school；sometimes I go to school by bike.我有时步行去上学，有时骑自行车去。三、难点突破1.be always doing sth.表示“总是干某事”，表示说话人的“赞叹，不满，厌烦”等情绪。always与not连用，表示部分否定，意思是“不总是”。She is always asking the same question.她老是问相同的问题。（表示厌烦）The rich are not always happy.有钱人未必总幸福。（部分否定）2.表示频率的短语还有：every day /week/month/year...每天、周、月、年…，once a week一周一次，twice a day一天两次，four times a year一年四次。3.对频率词或频率短语提问用how often“多久（一次）”。- does he go swimming？他多久游一次泳？-Once a day.一天一次。- have your parents been abroad？你父母去过国外多少次了？-Only once.仅仅一次。若对once，twice，three times表示次数的词（组）提问，要用How many times“多少次”。4.在反意疑问句中，前半句有never/seldom，疑问部分要用肯定式。He never goes home on Sundays, ？他周日从不回家，是吗？5.never位于句首时，主语和谓语要倒装。Never have I learnt this word.我从没有学过这个单词。当堂训练一、填入适当的词使得意思通顺。1. ______ students = 0% of the students2. ______ students = 1%~50% of the students3. ______ students = 51%~99% of the students4. ______ students = 100% of the students二、单项选择。( )1.— do you go to the bookstore?—Once a month.A. How often B. How many times C. How many D. How long( )2. “60% of the students like watching TV. ” means “______ students like watching TV.”A. All B. Most C. Some D. No( )3. Lucy is very fat because she exercises and eats a lot.A. often B. always C. usually D. never( )4. Here my favorite books.A. is B. are C. am D. be( )5. My father watches TV .A. two a week B. twice C. second a week D. twice a week( )6. My parents usually do the cleaning _____ weekends. A. on B. in C. to D. with三、用所给词的适当形式填空。1. The old man _____ (exercise)every morning. 2. I usually go _____ (skateboard) on Sundays. 3. The twins can watch TV three _____ (time) a week. 4. Mr. Green goes to the movies _____ (one) a month. 5. Everyone wants _____ (have) a strong body. 四、句型转换。按要求改写句子，每空一词1. I often play computer games on Saturdays. (对划线部分提问)______ ______ you often ______ on Saturdays? 2. My father surfs the Internet three times a week. (对划线部分提问)______ ______ ______ your father surf the Internet? 3. What program do you like best? (改为同义句) ______ your ______ program？4. Do you shop every day? (改为同义句)Do you ______ ______ every day? 5. He is always late for school. ( 改为否定句)He is ______ late for school. 五、句型转换。1. I often read newspapers in the evening. (改为一般疑问句) ______ you often ______ newspapers in the evening? 2. The girl often helps her mother clean the room. (改为否定句)The girl ______ ______ ______ her mother clean the room. 3. The twins usually play basketball on weekdays. (对划线部分提问) ______ ______ the twins usually ______ on weekdays? 4. My sister goes to the concert once a month. (对划线部分提问)______ ______ ______ your sister ______ to the concert? 5. Bill always gets up late. (改为否定句)Bill up late.一、1. No 2. Some 3. Most 4. All二、1. A 从题目的回答部分可以得知，问句询问的是频度。2. B 由前句的60% of the students，意为“60%的同学”，也就是大多数同学。3. D 从句子的主句部分“露西很胖”，得到原因是从不锻炼。4. B 这是一个倒装句，主语是后面的名词，my favorite books是复数形式。5. D 从句子的结构看，缺少状语，由选项可知题目要表达频度。6. A 构成固定词组on weekends“每逢周末”。三、1 exercises 2. skateboarding 3. times 4. once 5. to have四、1. What do; do 2. How often does 3. What’s; favorite 4. go shopping 5. never五、1. Do; read 2. doesn’t often help 3. What do; do 4. How often does; go 5. never gets频度副词词义频度always总是；一直100%almost几乎；差不多90%usually通常70%often经常；常常50%sometimes有时；不时20%hardly ever几乎不5%never从来不；不曾0