新译林牛津版高一上学期必修第二册Unit1Grammar and usage 课件

牛津高中英语教学设计单元：Unit 1 Tales of the unexplained板块：GrammarTeaching aims:Learn the differences between the present perfect tense and the present perfect continuous tense.Teaching important points:1. Learn how to form and use the present perfect tense.2. Understand when the present perfect continuous tense is used in sentences.Teaching methods:Explaining and practicing.Teaching aids:the multi-media.Teaching procedures:Step 1 Compare the two tenses1. We use the present perfect tense to talk about an action completed in the recent past, and the present perfect continuous tense for an action that started in the past and is still happening.现在完成时和现在完成进行时都表示动作从过去开始，但现在完成时可表示事件或动作刚结束，而现在完成进行时则强调动作仍在继续。

Li Jia has read a book about Stonehenge. （表示她已经读完了。

)Li Jia has been reading a book about Stonehenge. (表示她仍在读。

)2. We can use the present perfect tense for repeated actions, and the present perfect continuous tense for non-stop actions.We usually use the present perfect tense to ask questions beginning with how many/much, and the present perfect continuous tense to ask questions beginning with how long.现在完成时可表示反复发生的动作，提问时用how many / how much。

5. We should not go there all the time. The place is quite pleasant. (让步)
Although the place is quite pleasant, we should not go there all the time.
Let’s summarize
2.疑问句: 提出问题,有以下四种: (1)一般疑问句 Can you finish the work in time? (2)特殊疑问句 Where do you live? (3)选择疑问句 Do you want tea or coffee?
(4)反意疑问句 He doesn't know her, does he? 3.祈使句: 提出请求、建议或发出命令。 Sit down, please.
2. 表示选择关系的并列句，常见的连接词有：or, either ... or, otherwise等；
3. 表示转折和对比关系的并列句，常见的连接词有：but, while, yet, still, however等；
4. 表示因果关系的并列句，常见的连接词有：for, thus, so, therefore等。
E.g. These habits will be helpful.
句子中只有__一__个___主语（或并列主语）和__一__个___谓语（或并列谓语），
句子的各个成分都是由单词和短语充当。
简单句按使用目的可分为陈述句、疑问句、祈使句和感叹句。
1.陈述句: 说明一个事实或陈述一种看法,有肯定句和否定句之分。 She is fond of collecting stamps. He doesn't want to meet me.

behind the scenes
1. 在后台，在幕后 2. 大量的艰辛工作 3. 给某人作简单介绍 4. 对…熟悉 5. 首先 6. 吸引某人的注意力于 7. 重视，认为…重要 8. 视觉特效 9. 把…和…分开 10. 使某人能够做
behind the scenes a huge amount of hard work
1. 在后台，在幕后 2. 大量的艰辛工作 3. 给某人作简单介绍 4. 对…熟悉 5. 首先 6. 吸引某人的注意力于 7. 重视，认为…重要 8. 视觉特效 9. 把…和…分开 10. 使某人能够做
behind the scenes a huge amount of hard work give sb. a brief introduction to be familiar with to begin with draw one’s attention to
1. 在后台，在幕后 2. 大量的艰辛工作 3. 给某人作简单介绍 4. 对…熟悉 5. 首先 6. 吸引某人的注意力于 7. 重视，认为…重要 8. 视觉特效 9. 把…和…分开 10. 使某人能够做
behind the scenes a huge amount of hard work give sb. a brief introduቤተ መጻሕፍቲ ባይዱtion to be familiar with to begin with draw one’s attention to attach great importance to visual special effects separate A from B enable sb. to do
1. 在后台，在幕后 2. 大量的艰辛工作 3. 给某人作简单介绍 4. 对…熟悉 5. 首先 6. 吸引某人的注意力于 7. 重视，认为…重要 8. 视觉特效 9. 把…和…分开 10. 使某人能够做

Applying the rules
Lots of new and modern facilities (h2a)v_e_b_e_e_n_p_u_t____ (put) in place. Some of the exercise machairneebs e(i3n)g_t_e_st_e_d________ (test) by a group of energetic young people now. A whole new range ohfavceoubreseens d(e4s)ig_n_e_d_____________ (design) for people of all ages, including tai chi and boxing! I tried out the boxing class and I loved it! The coach, who was a boxing champion, was patient and professional. At the end of the one-hour class, I was sweating all over but felt relaxed.
Working out the rules
• We use the passive voice in the present continuous tense to talk about something that is being done right now. The verb form is “ (1) is/are/am being done”.
• We use the passive voice in the present perfect tense to talk about something that has been done. The verb form is “ (2) has/have been don”e.