人教版八年级英语上册《Unit 10 Section A 3c》教学课件PPT初二优秀公开课

1、Unit 10 Section A Grammar Focus-3c人教版 英语 八年级 上册 ObjectivesTo practice the sentence structures:I u l l o y , f W w p h y e t f i n e p a h l l i t a h t / t n o w l l i w , y e h f I h w ? e d l u o S f y l l e h t , e w IWhat are you going to do this weekend?stay at homewatching TVdo my homeworklist

2、en to some musicgo shoppinggo campinggo to the parkplay footballThe weather is very important!sunnyrainysnowycloudyIf it is sunny this weekendsunnyIf it is sunny this weekend, I will go camping. If it is sunny this weekend, I will go to the park. If it is sunny this weekend, I will play football.rai

3、nyIf it rains this weekendIf it rains this weekend, I will stay at home.If it rains this weekend, I will do my homework.If it rains this weekend, I will listen to some music.I think Ill stay at home. If you do, youll be sorry.What will happen if they have the party today? If they have it today, half

4、 the class wont come. Should we ask people to bring food?If we ask people to bring food, theyll just bring potato chips and chocolate.Read the sentences I think Ill take the bus to the party. If you do, youll be late.I think Ill take the bus to the party.If you do, youll be late.I think Ill stay at

5、home.If you do, youll be sorry.What will happen if they have the party today?If they have it today, half the class wont come.Should we ask people to bring food?If we ask people to bring food, theyll just bring potato chips and chocolate.Grammar FocusGrammar Focus: if 条件条件句句I will have a good time to

6、morrow. I will go to the party tomorrow.合合并并If I go to the party tomorrow, Ill have a good time.if引导一个条件状语从句时，引导一个条件状语从句时，当主句是一般将当主句是一般将来来 时时时时, if引导的从句必须用现在时引导的从句必须用现在时来来表示将来可能发生的动作或存在的状态表示将来可能发生的动作或存在的状态。在英语里在英语里, 当句子的主句为将来时态时当句子的主句为将来时态时, 它所引导它所引导的的 时间状语从句和条件状语从句都使用一般现在时时间状语从句和条件状语从句都使用一般现在时来来 表示

7、将来时间表示将来时间, 这在英语里被称为这在英语里被称为“主将从现主将从现”。主主 句的将来时态并不仅限于我们这一课里所学习到句的将来时态并不仅限于我们这一课里所学习到的的 will动词原形构成的一般将来时动词原形构成的一般将来时, 还包括还包括be going t o 动词原形、动词原形、be doing所表示的一般将来时以及所表示的一般将来时以及我我 们们 以后会学到的其它的将来时态。例如以后会学到的其它的将来时态。例如:What is he going to do when he grows up?他长大了想干什么他长大了想干什么？We are leaving for Xiamen to

8、morrow if it doesnt rain.如果明天不下雨如果明天不下雨, , 我们就去厦门我们就去厦门。We will buy that microwave next week if its price keeps going down.如果价格持续下降如果价格持续下降, ,下个礼拜我们就买那台微波炉下个礼拜我们就买那台微波炉。If +, Ill / youll +结结果果1. 结构结构 条条件件For example:If you study, Ill be happy.wear jeans to school, youll be sorry. get up late, youll

9、be late.eat too much, youll be fat.wash your clothes yourself有时，我们可以使用有时，我们可以使用并列结构的祈使句并列结构的祈使句来表达来表达if引导的条件句。如：引导的条件句。如：If you set your alarm clock, you wont oversleep.如果你上闹钟如果你上闹钟, 你就不会睡过头了。你就不会睡过头了。Set your alarm clock, and you wont oversleep.If you give him an inch, he will take a mile.他会得寸进尺他会得

10、寸进尺。Give him an inch, and he will take a mile.If you dont give him some food, he will starve.如果你不给他一点吃的如果你不给他一点吃的, , 他就会饿死他就会饿死。Give him some food, or/else he will starve.2. 用法用法(1)条件状语从句通常由连词条件状语从句通常由连词if引导引导, 意为意为“如果、假如如果、假如”, 主主 句句 不能用不能用be going to表示将来表示将来, 而应该用而应该用shall, will。e.g. If you leave

11、now, you are never going to regret it. (错误错误) If you leave now, you will never regret it. (正确正确)(2) if “如果如果”, 引导条件状语从句引导条件状语从句, 主句用一般将来时主句用一般将来时, 从从句句 则则 用一般现在时，用一般现在时，如如：If it rains tomorrow, I shant climb the hills.注意注意: 宾语从句中的宾语从句中的if与条件状语从句与条件状语从句if的区别。的区别。 宾语从句中的宾语从句中的if“是否是否”相当于相当于whether, 引导

12、宾语从句引导宾语从句, 时态需根据语境确定时态需根据语境确定。I dont know if it will rain tomorrow.我不知道明天是否会下雨我不知道明天是否会下雨。在阅读英文文章时在阅读英文文章时, 我们有可能看到这样的句子我们有可能看到这样的句子：If my father will give me permission, I shall spend a few months abroad.如果我父亲同意如果我父亲同意, , 我将在国外待几个月我将在国外待几个月。If you will take the trouble to read his letter carefully

13、, you will see what he means.如果你肯花一些时间来认真读他的信，你就会明白如果你肯花一些时间来认真读他的信，你就会明白他他 是是 什么意思了什么意思了。在在if-if-分句中用分句中用“will动词原形动词原形”并不单纯表示将并不单纯表示将来来 意意 义，这里的义，这里的will是个表示是个表示“意愿意愿”的情态动词的情态动词, , 相相当当 于于 be willing to( (愿意愿意) )。要注意这种带要注意这种带“will动词原形动词原形”的的if-if-分句在某些场合分句在某些场合是是 不可以随便用的不可以随便用的, , 比如我们可以说比如我们可以说：If

14、 he gets my letter in time, hell be able to change his plans.如果他及时收到我的信如果他及时收到我的信, , 他就能改变他的计划他就能改变他的计划。 却不可却不可以说成以说成：If he will get my letter in time, hell be able to change his plans.If you would try Italian food, you would like it.如果你愿意尝尝意大利食物如果你愿意尝尝意大利食物, , 你会喜欢它的你会喜欢它的。If you would reserve the

15、seats, we would be sure of a comfortable journey.如果你愿意订座如果你愿意订座, , 我们将肯定会有一个舒适的旅程我们将肯定会有一个舒适的旅程。(go) to the party, theyDear Su Mei,I dont _k_no_w_(know) what to d_o(do) about going to Mikes birthday party tomorrow night. My parents_t_h_n i_k(think) I should study for my English examnext week. If I g

16、_oFill in the blanks with the correct forms of the3averbs in brackets. w_i_l_be_(be) upset. Mike told(tell) us wear nice(go) to the party. If Iclothes, but I dont h_a_v_e_(have)any. If I_w_e_a_r_(wear)jeans, I _w_i_l_l_o_o_k_(lo k)the worst. Also,Im not sure how to _g_o_wa_lk(walk), it _w_i_l_t_a_k_

17、e(take) me too long. If I t_a_k_e (take) a taxi, it will be (be) too expensive. Can you give me some advice please?Tina1. If I get up late tomorrow, I_w i l_l_m i s_s t h_e_s_c_h_o_o l b_u_s_.2. If I dont finish my homework,_my t e_a_c_h_e_r_w i l_l_b_e_a_nrgy_.Complete the sentences using your own

18、ideas.3b3. If I dont get enough exercise, I _w_o_n_t_b_e s t_r_o_n_g_.4. I will not have enough time to study if I_p l a_y c o_m p_u_t_e_r_g_a_m e_s_a_l_l_t h_e d_a_y_.5. I will not make any friends if I_a_l_w_a_y_s m_a_k_e t h e m_u_pset.Practice仿照例子把两句话合成一句话仿照例子把两句话合成一句话。Example:a. You think you r

19、e going to visit New York City.b. You will see some tall buildings. If you go to visit New York City,youll see some tall buildings.1. a. You think youre going to study English hard.b. You will do better in English. If you study English hard, youll do better in English.2. a. You think youre going to

20、eat and drink more.b. You will be fatter. If you eat and drink more, youll be fatter.3. a. They think they are going to do more exercise.b. Their health will be better. Their health will be better if they do more exercise.4. a. I think you are going to let me watch TV .b. I will stay at home. I will

21、 stay at home if you let me watch TV .Write a story with your group on a piece ofpaper. The first person begins the story with “Ithink I will ” The others add sentences with“if”. Pass the paper around twice. Then read thestory.I think I will go to the movies tonight. If I go to the movies, I wont fi

22、nish my homework. If I dont finish my homework3c1. bedoing形式形式: 用现在进行时态表达将来，主要意义用现在进行时态表达将来，主要意义是是 表示按计划、安排即将发生的动作，常用于位置转移的表示按计划、安排即将发生的动作，常用于位置转移的动动 词词, 如如go、come、leave、start、arrive等等, 也可用于其它也可用于其它动动 态动词。如态动词。如：The president is coming to the UN this week.总统这周将到联合国来总统这周将到联合国来。We are moving to a diff

23、erent hotel the day after tomorrow.我们后天将换一家宾馆我们后天将换一家宾馆。在英语中在英语中, 有相当多的动态动词都可以用现在进行有相当多的动态动词都可以用现在进行 时表示将来。时表示将来。例如：例如：Dinner is ready. Were having fish for dinner.晚饭好了晚饭好了, 今晚我们吃鱼。今晚我们吃鱼。Im spending my holidays in Singapore this year.今年我要去新加坡度假。今年我要去新加坡度假。Tom isnt finishing his high school until ne

24、xt year.汤姆明年才高中毕业。汤姆明年才高中毕业。Can you give me some advice please?advice意为意为“劝告；建议劝告；建议”是不可数名词，不能说是不可数名词，不能说an advice, 而应说而应说a piece of advice。“两个（则）建议两个（则）建议”， 我们通常说我们通常说two pieces of advice。注意。注意piece要采用复数要采用复数， advice不可数，但不可数，但piece可数。我们也可以可数。我们也可以说说somepieces of advice一些建议。如一些建议。如： Can you give me

25、some advice?你能给我一些建议吗你能给我一些建议吗？与与advice有关的一些词组有关的一些词组：ask advice of 向向征求意见征求意见, 请请教教by sb.s advice 依某人劝依某人劝告告on sb.s advice 依某人劝依某人劝告告 follow sb.s advice接受某人意接受某人意见见 give advice 劝告劝告, 忠忠告告. 翻译下列句子。翻译下列句子。1.如果你不赶快走如果你不赶快走, 你就会迟到你就会迟到。If you dont go soon, youll be late.2 .如果你爱你的父母如果你爱你的父母, 你应当帮他们做做家务你

26、应当帮他们做做家务。You should help do the housework if you love your parents.3. 如果你更友善一些如果你更友善一些, 你会交上很多好朋友你会交上很多好朋友。You will make lots of friends if you are more friendly.4.4.如果你带外校的朋友来如果你带外校的朋友来, 老师会让他们离开老师会让他们离开。If you bring friends from other schools, the teacher will ask them to leave.5.5.如果你不完成作业如果你不完成

27、作业, 妈妈不会让你玩电游妈妈不会让你玩电游。If you dont finish your homework, your mother wont let you play computer games.6.6.当你看到当你看到Bill Gates, 你会对他说些什么你会对他说些什么？What will you say to Bill Gates when you see him?. 根据课本内容，完成下列句子根据课本内容，完成下列句子。1.1.我想我将会乘公共汽车去参加聚会我想我将会乘公共汽车去参加聚会。I _t h i n_k_Ill take the bus to the _p_a_r_t_y_ .2.2.如果你那样做，你将会迟到如果你那样做，你将会迟到。If you _do,youllbe late.3.3.我想我将待在家里我想我将待在家里。stay at home.I t_h_i_n_k I