Unit2-How-often-do-you-exercise复习课件.ppt

对频度副词提问时，用“how often”。 Unit 2 How often do you exercise? 【探究总结】 1.含义： 一般现在时表示经常性或习惯性的动作、现在的状态、 主语具备的性格和能力、客观存在及普遍真理。 2.行为动词一般现在时构成： (1)肯定句：主语+_________/_____________________ (2)一般疑问句：___/_____ +主语+动词原形？ (3)否定句：主语+_____/_______ +动词原形 动词原形 动词第三人称单数形式 Do Does don’t doesn’t How often _____ he play soccer? _____ you drink milk? How often ____ they stay up late? _____ Sue eat a healthy breakfast? How often ____ you eat apples? _____ your parents play cards? does do Do Does Do do Fill in the blanks with do or does. 【实战演练】 Ⅰ.用所给词的适当形式填空 1.Lucy’s parents often_______(watch) TV at night. 2.I_______(be) kind of heavy, but my brother_______(be) very thin. 3._______you_______(have) a healthy lifestyle? 4.The boy_______(not do) his homework at noon. 5.How often_______your mother_______(go) to the shop? Ⅱ.句型转换 1.Kate goes skateboarding twice a week.(改为否定句) Kate_______ _______ skateboarding twice a week. 2.She often reads books on weekends.(改为一般疑问句) _______she often_______books on weekends? 3.Tom sometimes goes to the concert with his parents.(对画线部分提问) _______ _______Tom sometimes_______with his parents? 1. how often 意为 “__________”，是用于提问表示 ____ 的特殊疑问词组。其答语应为表示 _____ 的副词或副词词组。句子的时态一般是_____________，也可以是一般过去时。 多久一次 对频率提问 频率 频率 一般现在时态 100% always usually often sometimes hardly ever ≥ 80% never 0% ≥ 60% ≥ 20% ＜ 5% 提示：频率副词在句中的位置是：实义动词之前, be动词、助动词或情态动词之后。 【归纳拓展】 how often/how long/how many times小结 (1)how often“多久一次”，常对一些表示频度的副词或短语提 问。回答时，常用twice a month, every day, sometimes, often, usually， hardly ever， never等。 (2)how long“多长时间/多久”，对介词___ 或_____引导的时间 状语进行提问。例如： —How long have you lived here? ——你住在这里多长时间了？ —For three years.——三年了。 (3)how many times“多少次”，询问_____，常对“once, twice, three times”等提问。 for since 次数 【活学活用】 ①—_______do you visit your grandparents? —Twice a week. A.How soon B.How much C. How often D.How long ②—_______do you need to go to school on foot every day? —Half an hour. A.How many