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1、hard 与 hardly 的区别 hard 作形容词，意为“困难的，艰苦的，硬的”；作副词，意为“努力地，猛烈地”。hardly 意为“几乎不”。提示：频率副词在句中的位置是：实义动词之前, be动词或助动词之后。1. once , twice, three times 等次数的表达法。 1) 这三个词都表示_，once是_，twice是_，除了一次，两次，其他的次数都表达成_。 如：三次是_ ，五次是_。how often “多久一次”， 常用来询问某一动作或事情发生的频率。 - How often does your mother travel? - Once a year.回答：nev
2、er (从不） once a day/week(一天/周一次） twice a week/month (一周/月一次） three/four/five/six times a month/year 一月/年 三/四/五/六次【辨析】 maybe与may be maybe是副词，在句子做状语。may be 是情态动词may与动词原形be一起构成句子的谓语动词意为“可能是”，它们有时也可互换。e.g. 或许它们在你的书包里。 _ they are in your schoolbag. They _ _ in your schoolbag. 100%2. at least意为“至少，不少于；起码”，
3、是副词词组，一般指在数量或程度上。 e.g. 你必须至少一周打扫你的房间一 次。 You have to clean your house _ _ once a week. time 次数time and time again 千万次的three or four times a week 一周三四次表示一周/月/年多少次, 可以用. times a week / month / year，注意有两个词有单独的表示法，“一次”用“once”, “两次”用“twice”。sometimes与几个形似的词的区别a. sometime是副词, “在某个时候”, “某时” Will you come a
4、gain sometime next week? She was there sometime last year. b. some time是名词词组, 意为“一段时间”，做时间状语用。 I will stay here for some time. He worked on the trouble for some time. c. some times是名词词组, 意为“几次, 几倍”。 I met him some times in the street last month. The factory is some times larger than that one. someti
5、mes: adv. 有时Sometimes I work in the day and sometimes at night.sometime是副词，意为“在某个时候”，“某时” 。 Will you come again sometime next week? She was there sometime last year. some time是名词词组，意为“一段时间”，做时间状语. I will stay here for some time. He worked on the trouble for some time. some times是名词词组，意为“几次，几倍”。 I me
6、t him some times in the street last month. The factory is some times larger than that one. 频度副词通常放在be动词、助动词、情 态动词之后，行为动词之前。The weather is usually hot in summer.We usually play football after school.He is often late for school. She never stops talking. My parents are never late for work. She always g
7、ets up at 6:30.He sometimes watches TV.I often go to the movies with my friends .I hardly ever go out these days. 凡是用频度副词：always, usually, often, sometimes, hardly, never或once/twice a week/month; every day等回答句子或划线的问句，都用How often这个句型。Make sentences with these words:always(100%)_usually _ often _ some
8、times _hardly ever _ never(0%) 频度副词1.周末你通常做什么? 2.他每天 看电视。3. 他几乎不逛商店。 4. 你多久去滑翔一次？ 5. 她经常9点钟上床睡觉。 1. 你通常在周未做什么？ _ _ you _ do on weekends?2. 我总是去运动。 I _ _.3. 他们在周未做什么？ _ _ they _ on weekends?4. 他们经常帮助做家务。 They _ _ with housework. 5. 她在周未做什么？ What _ she _ on weekends?6. 她有时候去购物。 She _ _ _.7. 你多久去看电影一次？ _ _ do you go to the _? 8. 我可能一个月去看一次。 I go to movies _ _ a _.9. 他多久看一次电视? _ _ does he watch TV? 10. 他几乎不看电视。 He _ _ watches TV. 11. 你去购物吗？ _ _ go shopping?12. 不，我从不去购物。 No, I _ _ shopping.
