期末语法复习课件 频度副词 2022-2023学年人教版英语八年级上册

八年级上册期末复习 英语语法详解 频度副词 What ?什么是频度副词? 1.Lucy _ goes to her dancing lesson . 2.She _ plants tomatoes. 3.She _ wears a flower for her hair. 4.She _ plants trees. 5.She _ eats bread for breakfast . seldom usually always often sometimes We are adverbs of frequency (频度副词) has an orange or a banana 2 频度副词 定义:表示次数、频率的副词称为频度副词。这类词用来表示某一动作发生的频率,或某一状态出现的频率. 常用的频度副词有: always, usually,often, sometimes, seldom, hardly ever,never 等。 1.He hardly ever goes to the movies. 他几乎从不看电影。 2.-Li Lin,what do you do on weekends? -I often listen to music -李琳,你周末通常做什么? -我经常听音乐。 3.Tom uses the Internet once a week.汤姆每周上一次网一次。 always usually often sometimes seldom never 100% 总是 75% 通常 60% 经常 40% 有时 15% 很少 0 从不 (一)频度副词按频率发生的高低依次为: always(100%)>usually(80%)>often(60%)>sometimes(40%)> seldom(20%)> hardly ever(10%)> never(0%) Make your sentences never seldom sometimes often usually always play football play badminton go roller-skating dance swim play football 0% 100% Tom never plays football. Lucy seldom plays badminton. 5 (二)频度副词在句中的位置: I am usually at home on Sundays. We must always get to school on time. He doesn’t often play football. She always works hard. We often play basketball together. 放在be动词的后面 放在be动词、情态动词、 助动词的后面 放在行为动词的前面 (二)频度副词在句中的位置: sometimes可放在句首、句中或句末。 e.g. 她有时看电视。 Sometimes she watches TV. She sometimes watches TV. She watches TV sometimes. often可放在句中和句末(一般不放在句首). e.g. 她经常看电视。 She often watches TV. She watches TV very often. (二)频度副词在句中的位置 总结:一般放在实义动词之前,be 动词、助动词或情态动词之后。 1.Lucy is sometimes very busy.露西有时很忙。 2.They hardly ever go shopping.他们几乎不去购物。 3.What do you usually do on Sundays?你星期天通常做什么? 注意: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”。对频率、次数提问可用 how many times。 She watches TV four times a week.她一周看四次电视。 I exercise once a week.我每周锻炼一次。 once 一次 两次 twice 三次 three times (三)次数的表达 e.g. I drink milk and eat vegetables every day. I take exercise once a week. I eat KFC twice a month. 每天 once a week twice a month four times a year once two weeks six days a week 我每天喝牛奶,吃疏菜。 我每周锻炼一次