人教版初二英语上册单元2
Unit 2 how often do you exercise?
1语言目标：学会谈论有关做某事（动作）发生的频率、次数
2语法目标：学会体会由how often 引导的对频率提问的特殊疑问句及其答语
3 情感目标：学会就做某事的频率来询问同班同学，增进感情
一：Warm-up：
Greetings：boys and girls good morning everyone，glad back to our class，how do you feel today
What do you do on weekends？Do you always do your homework at home？Do you dictate your words？
二：Revision：
上个学期我们学习了一些关于how 引导的特殊疑问句，来做简单复习一下，讲解how are you？ how old are you？ how is the weather？How long...？How far...？等用how+形容词的特殊疑问句，特别复习上学期的
1.how long 多长，用来询问多长时间，也可询问某物有多长。
How long does it take you to get to Shanghai from here? How long is the ruler?
2.how for 多远， 用来询问距离，指路程的远近。
How far is it from here to there? It’s about 2 meters.
今天我们来学习一个how+副词的疑问句，how often引导对频率提问，how often意思是多久，多频繁？什么是频率呢？就是做一件什么什么事情你的时间间隔是多久，比如说我们刷牙，每天刷几次？生病了要吃药 每天吃几次？一次吃几粒 这种就是频率
三：Presentation：
教师问学生，并板书：
Do you play sports?
Do you always watch TV at home？
How often Do you do your homework？ XXX times a day等
Do you brush your teeth？
Do you wash your face？
引导同学做肯定和否定回答后，在这几个问句前+how often 引导学生体会含意并指导做出正确回答how often 多久一次，回答用：once/twice/three times a day/week/month/year等词语。熟悉之后问学生的同桌 how often does she watch TV at home？？
四：consolidation：
Pair work：思维拓展练习对话（板书）：
A：what do you usually/always do on weekends？
B：I usually/always watch TV /play basketball with my friends
A：how often do you watch TV/play basketball with your friends
B：everyday /once a day等
五：Homework:
1: 频度副词always>usually>often>sometimes>seldom>never中英三遍
2：how often 引导的特殊疑问句自问自答举三个例子
3：单元2单词五英一中
语法关键点
频度副词
一、频度副词的含义：英语中常见的频度副词有usually, sometimes, always, often, seldom, never等，它们用来表示动作发生的频率，由高到低依次是：always>usually>often>sometimes>seldom>never。对频度、频率的提问用how often。
He is always busy. I never play a trick on others. Sometimes I go to school by bus.
二、频度副词在句中的位置
频度副词频度副词放在be动词、情态动词和助动词之后，实义动词之前。
Lucy is sometimes busy. I can hardly say a word. They often have coffee at night.
惯用法：
1. help sb. with sth 帮助某人做某事 2. How about…? ….怎么样？/ ….好不好？
3. want sb. to do sth. 想让某人做某事 4. How many + 可数名词复数有多少…..
5. 主语+ find+ that 从句 …发现… 6. It’s + adj.+ to do sth. 做某事是….的
7. spend time with sb. 和...一起度过... 8. ask sb. about sth. 向某人询问某事
9. by doing sth. 通过做某事 10. What’s your favorite…? 你最喜欢的…是什么？
11 start doing sth. 开始做某事 12. the best way to do sth.做某事的最好方式
词语辨析：
1.How come？ 怎会如此？ 怎么回事？表示某件事情很奇怪，有点想不通；可单独使用，也可引导一个问句， 相当于why, 但how come开头的特殊疑问句使用的仍然是陈述语序。
How come Tom didn’t come to the party? = Why didn’t Tom come to the party?
2.stay up late 指“熬夜到很晚，迟睡”。 Don’t stay up late next time.
stay up 指“熬夜，不睡觉”。 He stayed up all night to write his story.
3.go to bed 强调“上床睡觉”的动作及过程。 I went to bed at eleven last night.
go to sleep 强调“入睡，睡着，进入梦乡”。 She was so tired that she went to sleep soon.
4.Sb find + 宾语 +名词, 发现 We have found him (to be) a good boy.
Sb find + 宾语 + 形容词， 发现： He found the room dirty.
Sb find + 宾语 + 现在分词（正在做...）， 发现 ： I found her standing at the door.
5.percent 百分数， 基数词 + percent： percent 没有复数形式，作主语时，根据所修饰的名词来判断谓语的单复数。 Forty percent of the students in our class are girls.
6.more than 超过，多于，不仅仅， 相当于 over. 在句型转换中考查两者的同义替换。反义词为：less than少于，不超过. I lived in Shanghai for more than / over ten years.
at least 至少 at most 最多，至多
7. afraid 形容词， 担心的，害怕的，在句中作表语，不用在名词前作定语。
I’m afraid we can’t come here on time.
A：be afraid of sb /（ doing） sth 害怕某人/某人做某事；
B：I’m afraid + 宾语从句，恐怕，担心： I’m afraid I have to go now.恐怕我现在得走了
8. sometimes , sometime, some times , some time 的区别：
sometimes 频度副词，有时。表示动作发生的不经常性，多与一般现在时连用，位于句 首、句中或句末。Sometimes I get up very early. ------How often do you get up?
sometime 副词，某个时候。表示不确切或不具体的时间，常用于过去时或将来时
I will go to Shanghai sometime next week. ------When will you go to Shanghai next week?
some times 名词词组，几次，几倍。其中time 是可数名词，对它提问用how many times.
I have read the story some times. -------How many times have you read the story?
some time 名词短语，表示“一段时间”时谓语动词常为延续性动词，提问时用 How long.
I ’ll stay here for some time. -----How long will you stay here?
辨析: hardly 和hard
hard作形容词，意为“困难的，艰苦的，硬的”； hard作副词，意为“努力地，猛烈地”。
hardly意为“几乎不”
辨析：maybe 与 may be
maybe副词，作状语，意为“或许，大概，可能”，常位于句首。
may be 属于“情态动词+be 动词”结构，意为“可能是”。
辨析other: adj. 其他的+名词 the other: adj. 其他的+名词(在特定的范围内)
One„the other„ 一个...另一个 .
如：One of them is blue，the other ones are purple. 其中一个是蓝色，其他的是紫色的。
others: 其他的东西 the others: 其他的东西(在特定的范围内)
(一) 重点句型
1.-----What do you usually do on weekends? ----I often go to the movies.
(1) on weekends/on the weekend在周末
(2) go to the movies 去看电影
(3) 第一个do 助动词 第二个do 实意动词
2. hardly ever==hardly “几乎从不”ever起强调作用。为副词，本身具有否定含义，不能再使用其他否定词。 如： She hardly eats anything. 她什么都没吃（否定，用的anything）
3. ----How often do you watch TV? ----Twice a week.
(1) how often 意为“多久一次，多长时间一次”，用来提问频率。
(2) twice a week 一周两次
拓展: 一次 once 两次 twice 三次或以上 （基数词+ times）three times， four times
4. What's your favorite program? = What program do you like best? 你最喜欢的节目是什么？
5.I go to the movies maybe once a month. 我也许一个月去看一次电影。
maybe 副词“或许，大概，可能”，常位于句首。如：Maybe he knows the way to the park.
6.Last month we asked our students about their free time activities.
ask ab. about sth. 询问某人某事
7. the answers to our questions 问题的答案 dance to the music 和着音乐的节奏跳舞
key to the lock 这把锁的钥匙
8. Although many students like to watch sports, game shows are the most popular.
9. It is healthy for the mind and the body. 这有益于身心健康。
stay healthy = keep healthy = keep in good health 保持健康
10. Old habits die hard. 旧习难改。
11.although/though用作连词，“虽然、即使”，引导让步状语从句，不能和but同时出现。
