Unit4 Staying be healthy 第2课时 语法知识及拓展 课件(共20张PPT)

(共20张PPT)
Lead in— 脑筋急转弯
Q：什么东西使人哭笑不得？
A：口罩
沪教版 英语 六年级 第二学期
Snow and Ice Knowledge 冰雪知识
Speed Skating
沪教版 英语 六年级 第二学期
一、知识回顾
1. 单词默写。
adj.室内的，户内的
adj.室外的，户外的
adv.很，非常
v.忘记
n.难题；智力游戏；拼图
n.操场
n.钢琴
n.模型
n.健康
v. 问题
n.头痛
n.感冒
n.发热，发烧
adj.疼痛的
n.喉咙
adv. 一次；一回
v.实践；练习
n.家务劳动
01020304连词andbutbecausethoughalthough二、语法讲解1、连词并列连词but“但是，可是”（相当于yet; however;）；用于表示歉意的话语之后，表示谢绝或不赞成；“而; 却”（相当于on the contrary 相反地）；含“but”的习惯搭配She cut her knee badly, but didn't cry.Excuse me, but could you tell me where the post office is Tom went to the party, but his brother didn't.“not... but...”have no choice but to do ...not only ...but also ...【例题精讲1】
--- Would you like to come to dinner tonight 　　
--- I'd like to, _____ I'm too busy.
A. and　 B. so　 C. as　 D. but　　
【例题精讲2】
---Would you like to come to my house for dinner tonight
---I'd love to，_____I have lots of work to do．
A. so B or C. and D．but
【例题精讲3】
It was very cold and windy, _________ those farmers were working hard on the farm.
A. and B. or C. but D. so
C
D
D
“和”“又”“并且”“加”（相当于plus）祈使句后，“那么, 就”常见搭配go and fetch come and look at wait and seeand so ontry and improve. two thousand, two hundred and sixty fourAND否定句用or【例题精讲1】
---I don't like chicken ___ fish.　
---I don't like chicken, ___ I like fish very much.
A. and； and　 B. and； but　
C. or； but　 D. or；and
【例题精讲2】
Study hard, ________ you'll pass the exam.
A. or B. and
C. but D. so
C
B
because1234because of,“因为”,不能与so连用!必然的因果关系，语气较强，通常用来回答why↓↓↑↑He couldn't come because of illness.误：Because it was raining, so we stayed at home.--Why do you look so sad --Because I have lost my wallet.I did so because I was happy.【例题精讲1】
I have been trying my best to study English ________I want to have a chance to be a volunteer for the Beijing Olympics.
A. until B. because C. though D. when
【例题精讲2】
Ricky caught a bad cold yesterday, ________ he had to stay at home.
A. because B. but C. or D. so
B
D
though&althoughAlthough he is poor, he’s still happy.I will try it, though I may fail.可以互换① although主句前We all tried our best.We lost the game, though.与yet,still连用但不能与but连用② though可用于句尾,主句前或后并列连词：连接两个或两个以上地位平等的词、短语或分句。
but 但是，可是，而，却 （表转折）
and 和，同，与，又，并且, 然后 （表顺接）
从属连词： 连接两个或两个以上的分句。
表原因的从属连词: because“因为”
表让步的从属连词： though although 虽然，尽管
2、too much，not enough
(1) too much意为“太多……”，后接不可数名词。
e. g. I have too much homework this weekend.这周末我有太多的作业。
He drank too much water.他喝了太多的水。
(2) enough为形容词时，通常修饰复数可数名词或不可数名词，放在名词前后均可。
e. g. I have enough money/ money enough to buy this coat.我有足够的钱买这件大衣。
not enough意为“不足够的”。
e. g. -Why do I always have a cold 为什么我总是感冒？
-It's because you don't wear enough clothes, I'm afraid. 恐怕那是因为你没有穿足够的衣服。
3、Why do I always have…？
Why…？用于询问原因；常常用because引导的句式来回答。
e. g. -Why do I always feel tired, Mum 妈妈，为什么我总是觉得累？
-It’s because you watch too much television.那是因为你看了太多电视的缘故。
4、How often…？多久（做）一次……？
how often意为“多久一次”，引导的特殊疑问句，用来询问动作发生的频率，即每多长时间进行一次，常与一般现在时或一般过去时连用。对于how often的回答，常用always，usually，often, sometimes, hardly, ever, never, once a day, twice a week, three times a month, every four years等表示频率的词。
e. g. -How often do you visit your grandparents 你多久去看望你的祖父母一次？
-Twice a month一个月两次。
-How often do you go shopping at the supermarket 你多久去一次超市购物？
-Twice a week.一周两次。
【随堂小练】
( ) 1. There are flowers in the garden.
A. not B. not many C. not much D. not a lot of
( ) 2. We need to practice English every day.
A. read B. reading C. to read D. have read
( ) 3. is an indoor activity.
A. Going on a picnic B. Playing football
C. Playing the piano D. Playing badminton
( ) 4. A: do you watch TV B: Twice a week.
A. How long B. How soon C. How far D. How often
( ) 5. Don't forget a trolley when you are in a supermarket.
A. taking B. take C. to take D. taken
( ) 6. Mary often helps her mother some housework.
A. doing B. do C. did D. have done
( ) 7. I play piano very well, but I can't play tennis.
A. the, the B. a, a C. the, / D. /, the
( ) 8. Mr. Grey was born May 1, 1998.
A. of B. in C. on D. at
( ) 9. I'd rather when I have enough time.
A. go shopping B. to go shopping
C. went shopping D. going shopping
( ) 10. There are people in the hall.
A. two hundred B. two hundreds C. hundred of D. two hundreds of
( ) 11. Heilongjiang is the northeast of China.
A. in B. of C. to D. from
( ) 12. I like coffee sugar.
A. about B. for C. with D. on
l. B 2.B 3.C 4.D 5.C 6. B 7. C 8. C 9. A 10. A 11. A 12. C
愿君皆有所获，皆有所得