Unit 2 Section A Grammar focus-3c 课件 2023-2024学年人教版八年级英语上册

Unit 2 How often do you exercise? Section A Grammar Focus-3c I do some reading every day. I use the Internet once a week. I watch TV twice a week. I take a shower three times a week. I go to the movies once a month. I go shopping twice a month. Let’s chant ! Revision watch TV exercise shop read help with housework never hardly ever sometimes often usually always A: How often do you …? B: … What do you usually do on weekends? I always exercise. What do they do on weekends? They often help with housework. What does she do on weekends? She sometimes goes shopping. How often do you go to the movies? I go to the movies maybe once a month. How often does he watch TV? He hardly ever watches TV. Do you go shopping? No, I never go shopping. Grammar Focus 频度副词 1. 频度副词的含义： （1）表示动作发生的频率的副词称为频度副词。常用的频度副词按频率发生的高低依次为always＞usually ＞often＞sometimes＞seldom＞hardly ever＞never。 （2）表示具体的频率、次数时，一次用once, 两次用twice, 三次及以上用“基数词+times”。 always usually often sometimes never 2. 频度副词在句中的位置： (1)一般位于be动词、助动词或情态动词之后，实义动词之前。 (2)有时为了强调，频度副词也可位于句首。 例：我有时起得早。 Sometimes I get up early. 3. 对频度副词的提问： 常用How often, 表示“多久一次”。 例：你多久购物一次？ How often do you go shopping. 一般现在时 当主语是第三人称单数时 疑问句中人称主语与助动词的搭配 一般疑问句： Do+主语+动词原形+其它？ 特殊疑问句：特殊疑问词+一般疑问句. 一般疑问句：Does+主语+动词原形+其它? Does he often watch TV? What does he often do in the evening? 当主语不是第三人称单数时 特殊疑问句：特殊疑问词+一般疑问句. Do you play basketball? What do you do on weekends? 一般现在时 当主语是第三人称单数时 肯定句中不同人称对应的动词变化 主语+动词原形+其它. 主语+动词第三人称单数形式+其它. She sometimes plays soccer. 当主语不是第三人称单数时 I always go to the movies on Sunday evening. 三单形式构成 情况 构成方法 例词 一般情况 加 -s clean-cleans; jump-jumps 以辅音字母+o结尾的词 加 -es go-goes; do-does 以s，sh，ch，x等结尾的词 加 -es watch-watches; wash-washes 以辅音字母+y结尾的词 变y为i再加es study-studies; fly-flies 不规则变化 have-has; be-is Complete the questions with do or does. Then match the questions and answers. How often _____ he play soccer? _____ you drink milk? How often ____ they sta