新譯林版九年級(jí)上冊(cè)英語 Unit 6 課時(shí)4 Grammar教學(xué)課件

1、Unit 6 TV programmes Grammar學(xué)習(xí)目標(biāo)To use if-clause to talk about the result of a possible action.To use unless to say that something can only happen or be true in a particular situation. 新課導(dǎo)入 自學(xué)自檢:漢譯英1.假如你喜歡破解謎團(tuán)2.向我們介紹它3.處于危險(xiǎn)之中4.群居生活 5.公狼6.有危險(xiǎn)。（可能有危險(xiǎn)）7.你隨身攜帶一把傘8.交通很擁擠。9.除非你對(duì)此幾乎沒興趣。enjoy solving myster

2、iesintroduce it to usbe in dangerlive as a familymale wolvesThere is danger.There may be danger.take an umbrella with youThe traffic is very heavy.Unless you have/show little interest in it.新課導(dǎo)入Presentation1. 如果你是個(gè)足球迷，你不會(huì)想要錯(cuò)過這周的節(jié)目。 If you are a football fan, you will not want to miss this weeks prog

3、ramme.新課導(dǎo)入2. 這種情況將會(huì)持續(xù)下去除非人們停止為了皮毛和骨頭而獵殺老虎。 The situation will continue unless humans stop hunting tigers for their fur and bones.3. 如果你很容易被嚇壞，別看了。 If you get scared easily, do not watch it.新課講解We use if to talk about the result of a possible action. We make sentences with if like this:If-clause(simp

4、le present tense)Main clause(will/may/might/+infinitive)If you are a football fan,you will not want to miss this weeks programme.If you are an animal-lover,you may feel sad about it.新課講解Pay attention:We put a comma after the if-clause when it is the first part of a sentence.If-clause(simple present

5、tense)Main clause(will/may/might/+ infinitive)If you enjoy solving mysteries,you might like this film.新課講解What will happen if . ?Millie is thinking about herself, her friends and TV programmes. Complete the sentences with the correct forms of the verbs in brackets. 新課講解 If I _ (go, will go) to the R

6、eading Club this afternoon, I _( do not have, may not have) any time to watch TV.2. If Simon_(gets, will get) home late, he _ (misses, will miss) his favourite cartoon.gomay not havegetswill miss新課講解3. If Amy _(completes, will complete) all her homework quickly, she _ (watches, will watch) the chat

7、show.4. If Daniel _ (takes, will take) part in the game show, he _ (wins, might win) a prize.5. If Sandy _(finds, will find) a programme interesting, she _ (introduces, will introduce) it to pleteswill watchtakesmight winfindswill introduce新課講解Work out the rule!We often use the simple _ (future, pre

8、sent) tense in the if-clause. We need a _ (comma, full stop) after the in-clause when it is the first part of a sentence. presentcomma新課講解Asking about animalsMillie watched a documentary about animals. Help Millie answer her fathers questions with the help of the words in the box. 新課講解Dad: What will

9、 a bear do if its in danger?Millie: If a bear (1)_, it (2) _ people.Dad: What will a polar bear do if its hungry?Millie: If a polar bear (3)_, it (4)_ fish from the water.attack catch hunt live protect walkis in dangerwill attackis hungrywill catchvt./vi. 攻擊，進(jìn)攻n. 北極熊新課講解Dad: What will elephants do i

10、f theyre thirsty?Millie: If elephants (5)_, they (6)_ until they find a river.Dad: What will tigers do if they live in the wild?Millie: Tigers (7)_ for their own food if they(8) _.attack catch hunt live protect walkare thirstywill walkwill huntlive in the wild新課講解Dad: What will tigers do if they hav

11、e babies?Millie: Tigers (9)_ as a family if they (10)_.Dad: What will male wolves do if theres danger?Millie: Male wolves (11)_ their families if there (12)_.attack catch hunt live protect walkwill livehave babieswill protectis dangeradj. 雄性的新課講解Using unlessWe can use unless to say that something ca

12、n only happen or be true in a particular situation.e.g. He wont come to the party unless you invite him.新課講解Sometimes we can use if . not to replace unless.e.g. The situation will continue unless humans stop hunting them for their fur and bones. The situation will continue if humans do not stop hunt

13、ing them for their fur and bones.新課講解e.g. Unless it rains tomorrow, we are going to play football in the park. If it does not rain tomorrow, we are going to play football in the park.新課講解The unless-clause can come first or after the main clause.e.g. Unless you try your best, you will not realize you

14、r dream. You will be late unless you leave right now.新課講解A trip to a film and TV studioSandy has prepared some tips for a school trip to a film and TV studio. However, she tore the tips by accident. Help her put the tips back together. Match the two parts of the sentences and write the correct lette

15、rs in the blanks.新課講解Unless the weather report says it is going to rain, _ 2 We will arrive at the studio around 9:30 a.m., _c you will not have to take an umbrella with you.d unless the traffic is very heavy.cd新課講解Unless you already know the studio very well, _4 You will buy your lunch at the resta

16、urants in the studio, _a unless you take your own food with you.f you will travel around it with a tour guide.fa新課講解5 Unless you are tired, _ You will have a chance to see how a TV programme is recorded, _beb you will not need to take the minibus in the studio. e unless you have little interest in i

17、t.新課講解Work out the rule!We use the simple _ (future, present) tense in the unless-clause.present新課講解 條件狀語從句 條件狀語從句主要由if或unless引導(dǎo)： if條件句1) if條件句：條件句用于陳述語氣，表示 假設(shè)的情況可能發(fā)生，其中if是“如果” 的意思。e.g. If it rains, we will stay at home. 如果下雨我們就待在家里。Grammar新課講解2)用法：(1)條件狀語從句通常由連詞if引導(dǎo)，意為“如 果、假如”，主句不能用begoingto表示將 來，而

18、應(yīng)該用shall, will。e.g. Ifyouleavenow,youwillneverregretit. 如果你現(xiàn)在離開，你永遠(yuǎn)都不會(huì)后悔。(2)if“如果”，引導(dǎo)條件狀語從句，主句用一般 將來時(shí)，從句則用一般現(xiàn)在時(shí)。e.g. Ifitrainstomorrow,Ishantclimbthehills. 如果明天下雨，我就不爬山了。新課講解(3)主句是祈使句或含有情態(tài)動(dòng)詞，從句也用一 般現(xiàn)在時(shí)。 e.g. PleasecallmeifhecomesnextSunday. 如果他下周日過來請(qǐng)打電話給我。注意:賓語從句中的if與條件狀語從句if的區(qū) 別。賓語從句中的if “是否”相當(dāng)于whether, 引導(dǎo)賓語從句, 時(shí)態(tài)需根據(jù)語境確定。如果主句用一般現(xiàn)在時(shí), 從句可以根據(jù)具體情況選用時(shí)態(tài), 如果主句用一般過去時(shí), 從句必須用過去時(shí)的某種形式。新課講解unless 條件句unless引導(dǎo)的條件句，表