内容正文:
Unit 2 How often do you exercise?
内容提要:
1. 频度副词
2. How及How短语短语引导的特殊疑问句
1、 频度副词
· 旧知识复习
1. 副词:用来修饰动词、形容词、副词等的词。
He got up late.
The book is very interesting.
He runs so slowly.
2. 副词的分类:
副词可分为时间副词、地点副词、方式副词、程度副词、频度副词、疑问副词、关系副词、连接副词等,以下为7,8年级常见的副词。
(1) 时间副词:表示动作发生的时间
ago以前;now现在;today在今天;tomorrow在明天;yesterday在昨天;soon很快;just now刚刚;then那时;finally最终;recently最近...
注意:句中出现不同的时间副词,应使用相应的时态。
比较下列句子:
Linda didn’t go to school yesterday.
Jenny is singing now.
He will come tomorrow.
Tom left the classroom just now.
(2) 地点副词:表示动作发生的地点
back在后面;everywhere到处;home在家;here这儿;there 那里;outside在外边;outdoors在户外;indoors 在室内;down在下边;up在上边...
注意:地点副词前一般不用介词
比较下列句子:
He went home yesterday.(home是副词,前面不用to)
He went to town just now.(town是名词,前面要用介词to)
(3) 方式副词:表示动作发生的方式
slowly 缓慢地;quickly快速地;carefully细心地;clearly清楚地;politely 有礼貌地;hard 努力地;loudly大声地...
(4) 程度副词:描述动作、行为或状态的程度
much非常,很;little很少;very很,非常;pretty 相当,很;nearly几乎;really 真正地;enough足够;too太;too much太多;much too 太...
(5) 疑问副词:主要用于引导特殊疑问句
when什么时候;how怎样,如何;where在哪里;why为什么...
(6) 频度副词:表示事情发生的频率
always总是;hardly几乎不;sometimes有时;never从不;seldom 极少;usually通常;often 经常
· 随学随练
1. 用所给词适当形式填空,注意句中的时间副词。
(1) We (visit) the science museum last Sunday.
(2) The boys (sing)now.
(3) Amy (be) in the library just now.
(4) He (arrive) in Beijing three days ago.
2. 对划线部分提问,注意选择正确的疑问副词。
(1) He went to the museum by bike.
(2) Lily was well yesterday.
(3) John didn’t go to school because he was not well.
(4) I bought the book three days ago.
· 新知识学习
1. 频度副词
表示事情发生的频率的副词。可以用来回答how often提问的特殊疑问句。
2. 常见频度副词
(1) 常见的频度副词有:always, usually, often, sometimes, hardly ever/seldom, never等。
(2) 按照频率,可以按如下表示:
always(100%) > usually(80%) > often(60%) > sometimes(40%) > seldom(20%) > hardly (5