(
课件网) 5 Read the sentences from the reading passage and summarise the grammar rules. Sometimes, she cooks British food for me. At home, I often watch Grandma cook. I never realized cooking was so difficult. My family always have it at the Spring Festival. Understanding ideas sometimes 有时候 often 经常 never 从不，决不（表否定） always 总是，一直 回顾一般现在时的用法：划出句子中的频度副词 Li Ping is always late for school on Monday. Tom is never late for school in the morning. The little girl seldom goes out. She is usually very busy. Sometimes we go to the cinema. 频度副词概念： 用来表示某一动作发生的频率，或某一状态出现的频率，即在一定的时间内动作重复发生或状态重复出现次数的副词叫做频度副词. 模糊频度副词 always usually often sometimes seldom hardly never 精确频度副词 every day 每天 once a week 每周一次 twice a month 每月两次 three times a year 每年三次 模糊频度副词 always usually often sometimes seldom hardly never 100% 60% 40% 80% 10 0% 总是：动作重复，状态持续 通常：习惯性动作或状态，少有例外 经常：反复性动作或状态，有间断 偶尔：间断时间较长 几乎不：表否定 从不：动作不会发生 （表否定） 20 很少：发生次数少 （表否定） How often do they go to school by bike Mon Tue Wed Thu Fri Sam √ √ √ √ √ Mary √ √ √ X √ Jane X √ X √ √ Lily √ X √ X X Kitty X √ X X X John X X X X X Sam always goes to school by bike. Mary usually goes to school by bike. Jane often goes to school by bike. Lily sometimes goes to school by bike. Kitty seldom/ hardly goes to school by bike. John never goes to school by bike. Sam always goes to school by bike. Mary usually goes to school by bike. Jane often goes to school by bike. Lily sometimes goes to school by bike. Kitty seldom goes to school by bike. John never goes to school by bike. 频度副词的位置 Sometimes I buy a cake. I sometimes buy a cake. I buy a cake sometimes. 1.He always goes to bed at about 12. 2.She is usually late for school. 3.I can never find it. 频度副词的位置 实义动词之前 be动词之后 情态动词之后 sometimes既可放在句首，也可放在句中或句尾 There is good news on TV. (seldom) Is Mr. Wang on time (always) Does Tom play basketball after school (often) Ben plays baseball with his friends on weekends. (sometimes) My sister is happy at school. (always) 将频率副词填入适当得位置。 There is seldom good news on TV. Is always Mr. Wang on time Does Tom often play basketball after school Ben sometimes plays baseball with his friends on weekends. My sister is always happy at school. 1. 对频率词或频率短语提问用how often “多久一次” eg. How often does he go swimming --Once a week. 2.对一段时间提问用how long“多久；多长时间” eg. How long is he staying in Beijing ─For two days. 3.对物体的长短提问用how long“多长” eg. How long is the river --About 500 km. 4. 对将来的一段时间提问用how soon“还要多久；多久以后” 常用于一般将来时态的句子中，回答通常用“in + 一段时间” eg. How soon can you finish your homework ─In half an hour. 1. — did the meeting last —Abou ... ...
