Unit 2 How often do you exercise 第二课时 Section A (Grammar Focus～3c)-【黄冈金牌之路·练闯考】2022-2023学年八年级英语上册（人教版）

练闯考 英语八年级上册人教版 第二课时 Section A(Grammar Focus~3c)(学生用书P13) 频度副词 1.概念 频度副词表示动作发生的频率，常用于一般现在时。频度副词常放在be动 词、助动词和情态动词之后，行为动词之前。常见的频度副词有：awys, usually,often,sometimes,hardly ever,never 各个频度副词的汉语释义及对应百分比见下表： 考点 含义 频率 never 从不；绝不 0% hardly ever 几乎从不 5%-10% sometimes 有时 20%-30% often 时常；常常 40%-60% usually 通常 60%-80% always 总是地；一般地 100% 2.用法 (I)always意为“总是”，表示动作重复，状态持续；其反义词为never,意 为“从不；绝不”。 Don't always watch TV at home.不要总是在家里看电视。 (2)usuallyi意为“通常地；一般地”，表示习惯性的动作或状态，很少有例外。 We usually play in the park.我们通常在公园玩耍。 (3)often意为“时常；常常”，与usuallyi意思接近，它表示反复性的动作或 状态，中间有间断。 Do you often read books in the school library?你经常在学校图书馆 看书吗？ (4)sometimes意为“有时”，表示动作偶尔发生，频率不及often,间断时 间较长。sometimes在句中的位置比较灵活，它既可放在句首，也可放在句 中或句末。 Sometimes I go there by car.有时我乘坐小汽车去那里。 (5)hardly ever?意为“几平从不”，表示动作的频率非常低。 She hardly ever goes to the zoo.她几乎从不去动物园。 (6)never意为“从不；绝不”，频率为零。 My mom is never late for work.我的妈妈上班从不迟到。 【注意】①“次数十时间段”的短语也可用来表示频率，它们可以单独在句 子中作时间状语。如：once a week每周一次，twice a month一月两次； three times a day一天三次。 ②对频度副词或频度副词短语提问用how often,表示“多长时间一次”。 语法精练 一、用方框中所给的词填空，每词限用一次。 yearemsoree5,hard化u影'so2悍Y&ooksinner by herself 1.Lisa's parents are usually ways every day. hardly ever 2.My grandfather goes out for a walk because his legs pain(疼痛)herhe walks for long. 3.Jacklate for school.He gets up early every day. 4.Lily -somo school from Monday to Friday. 5.Ms.Lee_ eats out,but not very often. 二、按要求完成下列句子。 6.She always washes clothes every Sunday.(改为否定句) She never_washeclothes every Sunday. 7.Jack usually does his homework at school.(改为一般疑问句) DoesJack _usuallydo his homework at school? 8.They go to the science club three times a week.(对画线部分提问) How_often do they go to the science club? 9.Frank usually listens to music in the evening.(对画线部分提问) _What_doesFrank usually do_in the evening? 10.We have English lessons on Monday,Tuesday,Thursday and Friday.(改为同义句) We have English lessonpur__time_s a week. 三、单项选择。 B )11.-do you exercise at home? -Twice or three times a week. A.How long B.How often C.How many D.