Unit2How often do you exercise?
一、知识点
1. ----How often do you usually go shopping?—Sometimes/Twice a week.有时候/一周两次.
1) go shopping 意为“去购物”。Go+ v- ing : 表示进行某项活动。如:
Go swimming/ shopping/skating/skiing/fishing/climbing/hiking
2)频率副词:always=all the time, usually, often, sometimes=at times , hardly ever, never
(1).sometimes: 有时候;sometime:某时;some times:许多次/倍;some time: 一段时间
a hard writer 努力地; 猛烈地 study/rain hard
3)how often表示“多久一次”,是对动作的频率进行提问。其回答通常有:
频率副词: always, usually, often, sometimes, hardly ever, never
how often次数+时间段:如:once or twice a week
every +时间段: every day (每天)区别:everyday(每天的;日常的) 注意:表示“一次或两次”时,一般用once和twice表示。如:once a month(一个月一次)
而表示“三次或以上”时,则用“数词+times”结构。如:five times a year (一年五次)
2. 由how构成的疑问词组的用法
(1可数名词复数如:how many programs how much+不可数名词。 如:how much coffee
但how much=what’s the price of..? 还有“多少钱”的意思如:How much are those pants?
(2)how many times: “多少次”. 其答语表示次数。如:once ,twice,three times等
(3) How old...? 询问年龄 如:How old are you?I am five.
(时间)常用 for two days,for three hours等回答。如:---How long is the river?--- 10 kms.
(5)how soon 用来询问过多久,多久以后,其答语是in two hours,in three days等。 如:How soon wil he come back?In an hour。
3.“空闲的”:Are you free tonight?4. at least 至少at most 最多 自由的”: a free countryfreedom(n)5. stay up 熬夜
“免费的”: work for free. 6. junk food 垃圾食品
满的;饱的” …be full of… :The bottle 瓶子里装满了水。
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