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高二unit 15 A Famous Detectative,
If only I was not so nervous!
I wish it was spring all the year round.
I'd rather I wasn't at the site of the accident.
但是，在if I were you 这一句中，通常只用were，不用was。另外在某些倒装结构中也只用were，不用was。例如：
Were I to do it(=If I were to do it,I should rely on you.
还有，在 as it were(作 so to speak解，即“宛如”、“好比”)结构中也只用were，不用was。例如：
He is my best friend,my second self,as it were.
如前所述，虚拟式在现代英语中已经不是一个重要的语法范畴，许多该用虚拟式的地方常为陈述式所取代。以上所述用should代替be,用was代替were就是一例，甚至还可根据语义意图干脆用现代时形式。例如：
I wish I were/was there.
He looksas if he were/was/is sick.
Imagine you are the salesman for Franco's product.
虚拟式/were-型虚拟式
were-型虚拟式只有一种形式，即不管主语是什么人称，动词一律用were,如 I were,you were,he were；如果动词为进行体或被动态，其助动词也一律用were,如 I were going,you were going,he were going；又如 I were sent, you were sent,he were sent,因此，were-型虚拟式只有出现在单数第三人称主语之后，它才在形式上与陈述式was区别开来。were-型虚拟式的主要用法如下。1.用于某些状语分句中
were-型虚拟式常用由if,if only ,as if,as though,though引导的条件状语和让步状语分句中，表示非真实的条件或让步。例如：
If I were you,I should wait till next week.
If it were to rain,the game would be put off.
If only I were not so nervous.(要是不那么紧张就好了。)
He spoke to me as if I were deaf.
He behaves as though he were better that us.
Though the whole world were against me,I would do what I consider as right.
2.用于某些名词性分句中
were-型虚拟式常用于出现在wish,would rather,suppose,imagine之后的that-分句中，表示一种臆想的(通常是不可能发生的)情况。例如：
I wish it were spring all the year round.
I'd rather I were not at the site of the accident.
Suppose the earth were flat.
Just imagine everyone were to give up smoking.
上述were-型虚拟式在第一、三人称单数主语之后可为was所取代。例如：
If it was to rain ,the game would be put off.
If only I was not so nervous!
I wish it was spring all the year round.
I'd rather I wasn't at the site of the accident.
但是，在if I were you 这一句中，通常只用were，不用was。另外在某些倒装结构中也只用were，不用was。例如：
Were I to do it(=If I were to do it,I should rely on you.
还有，在 as it were(作 so to speak解，即“宛如”、“好比”)结构中也只用were，不用was。例如：
He is my best friend, my second self, as it were.
如前所述，虚拟式在现代英语中已经不是一个重要的语法范畴，许多该用虚拟式的地方常为陈述式所取代。以上所述用should代替be,用was代替were就是一例，甚至还可根据语义意图干脆用现代时形式。例如：
I wish I were/was there.
He looks as if he were/was/is sick.
Imagine you are the salesman for Franco's product.
Step 4 Word and language study
1. Part 2. Get the students to complete the exercise individually. Encourage them to refer back to the text. Check the answers with whole class at the end.
2. Part 3. Books shut. Write the sentences on the Bb:
There was once a famous detective. He was named Sherlock Holmes.--- There was once a famous detective named Sherlock Holmes.
He was known for his expect advice. He was able to help a great number of people. --- Well known for his expert advice, he was able to help a great number of people.
Then books open. Read through the exam sentences and get the students to translate them into Chinese.
Step 5 Practice
1. Part4. Read the instructions aloud to the class and check that Ss what to do. Do the first few sentences orally with the whole class, then let Ss work in pairs. Check the answer at the end of the activity.
2. Part 5. Read the instructions aloud to the students. Do the first two orally with the whole class and write down the completed sentences on the Bb. Then let the students complete the exercise individually. Check the answers with the whole class.
Step 6 Workbook
1. Revise the reading passage. Do the exercises in pairs. Check the answers with the whole class.
2. Ask a pair of students to the Bb to write down their sentences on Bb and correct mistakes if there are.
Step 7 Homework
Finish off all the exercises. Write and retell the story.
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