人教版英語八年級下冊《Unit 6 Section A Grammar Focus-4c》課件

1、uTo learn the usage of unless, as soon as and so thatuTo learn the Grammar FocusuTo learn new words: fit, couple, smile, marry Objective Free talk Try to make a conversation about the story Yu Gong Moves a Mountain with your partner.Once upon a time, there was a very old man the mountains were so hi

2、gh and big that it took a long time to walk to the other side The old man decided to move the mountainsHow does the story Yu Gong Moves a Mountain begin?One day, a man told Yu Gong that he could never do it because he was old and weak. As soon as the man finished talking, Yu Gong said that his famil

3、y could continue toWhat happened next?Yu Gong said they could put them into the sea because its big enough to hold everything.Where would they put all the earth and stone from the mountains?once upon a timestepsisterprincefall in lovefitcouplesmilemarryget married從前從前n. 繼繼(姐妹姐妹)n. 王子王子愛上；喜歡上愛上；喜歡上v.

4、 適合；合身適合；合身n. (尤指尤指)夫妻；兩人；兩件事物夫妻；兩人；兩件事物v.&n. 笑；微笑笑；微笑v. 結婚結婚結婚結婚Words & expressionsHow does the story begin?Once upon a time, there was a very old man .What happened next?As soon as the man finished talking, Yu Gong said that his family could continue to move the mountains after he died.Gra

5、mmar FocusWhy was Yu Gong trying to move the mountains?Because they were so big that it took a long time to walk to the other side.Who is the Monkey King?He is the main character in Journey to the West.What cant the Monkey King do?He cannot turn himself into a person unless he can hide his tail.Gram

6、mar FocusConditional clauses with if and unless含有含有if的復合句由兩個分句組成；的復合句由兩個分句組成；if 為連詞，引為連詞，引導條件狀語從句，另一句為主句。導條件狀語從句，另一句為主句。如果談論的是某一個動作發(fā)生后勢必會產生某如果談論的是某一個動作發(fā)生后勢必會產生某個結果，那么主從句都用一般現(xiàn)在時態(tài)。個結果，那么主從句都用一般現(xiàn)在時態(tài)。Unless 的用法的用法e.g. If you boil water, it becomes steam. If you drop a glass, it breaks. If you heat metal

7、, it melts. If you run, you sweat. If you put wood into water, it _ (float). floats如果談論的是如果談論的是“如果如果”某一個動作或事情發(fā)某一個動作或事情發(fā)生后，很可能將會產生某種結果，那么在復生后，很可能將會產生某種結果，那么在復句中主句的動詞句中主句的動詞 用一般將來時，而用一般將來時，而if從句仍從句仍然是一般現(xiàn)在時。然是一般現(xiàn)在時。e.g. If it rains, we wont take a hike tomorrow. He will get up school on time if the clo

8、ck goes off. If he arrives in Hong Kong, he will call me. If you dont start early, you _ the beginning of the film (miss).will miss若若 if 條件句放句首，從句后面要加逗號，和主句條件句放句首，從句后面要加逗號，和主句 隔隔開。開。unless 與與if 用法相似，相當于用法相似，相當于ifnote.g. You will fail the exam if you dont prepare for it. You will fail the exam unless

9、 you prepare for it. If he doesnt look up the word in the dictionary, he wont know its meaning. He wont know the words meaning unless he looks it up in the dictionary. if和和unless的用法的用法一般情況下，一般情況下，unless相當于相當于ifnot，可以互換。用，可以互換。用一般現(xiàn)在時代替將來時。一般現(xiàn)在時代替將來時。 I wont let you in unless you show me your pass. =

10、I wont let you in if you dont show me your pass. 如果你不出示通行證，我就不讓你進來。如果你不出示通行證，我就不讓你進來。 如果主句描述的是情感或情緒活動方面的內容，如果主句描述的是情感或情緒活動方面的內容，ifnot結構不能換成結構不能換成unless。如：如：Ill be quite glad if she doesnt come this evening.她今晚如果不來我很高興。她今晚如果不來我很高興。Unless you take more care, youll have an accident.如果不多加小心的話，你會出事故的。如果不

11、多加小心的話，你會出事故的。My baby sister never cries unless she is hungry. 我那剛出生的妹妹除非餓了，否則她是從來不哭我那剛出生的妹妹除非餓了，否則她是從來不哭的。的。Dont promise anything unless youre 100 percent sure.不要作任何的許諾，除非你有百分百的把握。不要作任何的許諾，除非你有百分百的把握。Unless bad weather stops me, I jog every day. (除非壞天氣作梗，每天我都慢跑。除非壞天氣作梗，每天我都慢跑。)誤誤:Dont come in unles

12、s you will be invited to.正正:Dont come in unless youre invited to.誤誤:Unless he will come, we wont be able to go.正正:Unless he comes, we wont be able to go. As soon as 的用法的用法英語動詞的時間大致可分為三段：過去時、現(xiàn)英語動詞的時間大致可分為三段：過去時、現(xiàn)在時、將來時。假設有兩件事在時、將來時。假設有兩件事A和和B，就會出，就會出現(xiàn)三種情況：現(xiàn)三種情況： A 過去時過去時 as soon as B 過去時過去時 A 現(xiàn)在時現(xiàn)在時

13、as soon as B 現(xiàn)在時現(xiàn)在時 A 將來時將來時 as soon as B 將來時將來時在每一個大的時間段內，在每一個大的時間段內，A 和和 B 的時態(tài)要統(tǒng)一。的時態(tài)要統(tǒng)一。比如比如 A 過去時，過去時，B 肯定在過去時內。其它也是如肯定在過去時內。其它也是如此。至于在每個大時間段內，再根據此。至于在每個大時間段內，再根據A 和和 B兩件兩件事的具體情況，具體對待。比如：事的具體情況，具體對待。比如：A 和和B都是過去都是過去時，時，A 和和 B 是同時發(fā)生，還是先后發(fā)生，不是即是同時發(fā)生，還是先后發(fā)生，不是即將發(fā)生，再分別選用完成時、進行時、將來時。將發(fā)生，再分別選用完成時、進行時、

14、將來時。例如：例如： A 過去時過去時 B 過去時：過去時：I arranged the flowers in the vase as soon as I came back home. 一回到家里，我就把花在花瓶里插好。一回到家里，我就把花在花瓶里插好。A 過去進行時過去進行時 B 過去完成時過去完成時(虛擬虛擬)He was shaking with fright as if he had seen a ghost. 他嚇得直哆嗦，就好像看見了鬼一樣。他嚇得直哆嗦，就好像看見了鬼一樣。 A 將來時將來時 B 將來時將來時(可用一般現(xiàn)在時表達可用一般現(xiàn)在時表達)They will post

15、me the tickets/post the tickets to me as soon as they receive my cheque. 他們收到我的支票后就立刻把票寄給我。他們收到我的支票后就立刻把票寄給我。as soon as連接的時間狀語從句中，指未發(fā)生的動作。連接的時間狀語從句中，指未發(fā)生的動作。規(guī)律是：規(guī)律是：主句一般將來時，從句用一般現(xiàn)在時代替一主句一般將來時，從句用一般現(xiàn)在時代替一般將來時。般將來時。 如：如：I will tell him the news as soon as he comes back.緊接著發(fā)生的兩個短動作，主從句都用一般過去時。緊接著發(fā)生的兩個短

16、動作，主從句都用一般過去時。如：如：He took out his English books as soon as he sat down. so . that. 如此如此以致于以致于 (that 引導的結果狀語從句引導的結果狀語從句)so的后面跟副詞或形容詞，的后面跟副詞或形容詞，例：例：老師說的太快了，以至于我聽不清楚他的話。老師說的太快了，以至于我聽不清楚他的話。The teacher speaks so fast that I cant catch thewords. sothat 的用法的用法比較比較sothat與與so thatSo that:（1）引導結果狀語從句，意為）引導結

17、果狀語從句，意為“因此，所以因此，所以”，主句和從句間常用逗號分開，一般不與情態(tài)動詞主句和從句間常用逗號分開，一般不與情態(tài)動詞連用。連用。Nothing more was heard of him, so that peoplethought that he was dead.未再聽到他的消息，以致人們認為他已死去了。未再聽到他的消息，以致人們認為他已死去了。（2）引導目的狀語從句，意為）引導目的狀語從句，意為“為了，以為了，以便便”，通常從句中用，通常從句中用may，might，can，could等情態(tài)動詞。等情態(tài)動詞。We left early so that we could catch

18、 the first bus.我們很早出發(fā)，以便能趕上第一班汽車。我們很早出發(fā)，以便能趕上第一班汽車。1. _ her father died, the stepsisters made her do all the chores.2. She was _ busy _ she had no time to make a dress for the party.3. The mice knew that _ they helped her make a dress, she would not be able to go to the party.Fill in the blanks with

19、 unless, as soon as or so . that.As soon asso thatunless4a 4. _ the prince saw her, he fell in love with her.5. The prince knew that _ the girls foot could fit the shoe, it was not the right girl.6. The new couple were _ happy _ they couldnt stop smiling when they got married.unlessso thatAs soon as

20、The Monkey King is the main character from the famous Chinese story Journey to the West. He is wonderful because he_ (help) weak people. The Monkey King _ (have) a magic stick. He _ (use) it to fight bad people. He can _ (make) the stick big or small. He can sometimesFill in the blanks with the corr

21、ect forms of the verbs in brackets.helpsusesmakehas4b make the stick so small that he can put it in his ear. As soon as he _ (see) bad people, he thinks of ways to fight them. He can _ (turn) himself into different animals and objects. But unless he can hide his tail, he cannot make himself a human.

22、 Children all over the world _ (love) the Monkey King!seesturnloveTell your partner about your favorite story.My favorite story is .It is interesting because4c I. I. 用用適當的連適當的連詞填空。詞填空。 1. _it rains, Ill go to school by bus.2. I will tell you the secret _ you dont tell anyone else about it.3. Mary al

23、ways takes a seat in the first row _ she can hear better.4. We _ notice anything wrong with the computer _ we started using it.Ififso thatdidntuntil5. My mother was worried_ it rained.6. The elephant has _ strong a body _it can do heavy work.7. It is _ _ difficult problem _ nobody can work it out. b

24、ecauseathatsuchsothat1. 他努力學習，以便取得好成績。他努力學習，以便取得好成績。 He works hard _ he can get good result.2. 老師寫得很仔細，是為了讓我們看得清楚。老師寫得很仔細，是為了讓我們看得清楚。 The teacher wrote carefully _ we could see clearly.so thatso thatII. II. 用用sothat sothat 填空。填空。3. 他太傷心了，以致說不出一個字來。他太傷心了，以致說不出一個字來。 He is _ he cant say a word.4.妹妹身體太弱

25、了，不能再走了。妹妹身體太弱了，不能再走了。 My sister is _ she cant walk farther.so sad thatso weak thatIII. III. 句型轉換句型轉換。1. Use your head, then youll find a way. = _ you use your head, youll find a way.2. I went to bed after my father came back home yesterday. = I _ go to bed _my father came back home yesterday.Ifdidn

26、tuntil3. The island is so beautiful that it can attract large numbers of people. = The island is _ _ _ attract large numbers of people.4. My dress is more expensive than Lilys. = Lilys dress is _ _ _ _ mine.beautifulto not asso expensive as enoughIV. IV. 用所給詞的適當形式填空。用所給詞的適當形式填空。 1. Listen! She _ (sing) the ABC song. 2. They usually _(go) shopping on Saturday but they_ _（not do） it yesterday. 3. We _ (talk) about the problem last Saturday. 4. I _ (be) n