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1、it 的用法,难点: it that/those one/ones 的区别 强调句 it 的常见句型,that it/those one/ones 的区别,1)one, ones, that, those,that替换单数可数名词或不可数名词；one只替换单数的可数名词。,The coffee produced in Brazil is more famous than _in Mexico.,that,2) that只用于替换表示事物的名词， 而one/ones替换表示人和表示事物的名词皆可。,eg: His younger sister is taller than the elder _
2、.,I need the plastic bags, not the paper_ .,one,ones,3) that/ those用于替换有定冠词的名词；one/ones用于替换有不定冠词的名词。,eg: The style of the building is similar to _of a temple.,A CD player made in Japan costs more than _made in China.,that,one,eg: I bought a dictionary three years ago and I am still using_ now. I bou
3、ght a dictionary three years ago but I am going to buy a new _soon.,it指特定的前面提到过的事物，即：it和它替换的是同一个事物；而one用于替换与前提事物有共同之处但并不完全一样的事物。,4) it和one,it,one,it that/those one/ones 的区别： that替换单数可数名词或不可数名词，one只替换单数的可数名词 that只用于替换表示事物的名词， 而one/ones替换表示人和表示事物的名词皆可。 that/ those用于替换有定冠词的名词；one/ones用于替换有不定冠词的名词。 it指特
4、定的前面提到过的事物，即：it和它替换的是同一个事物，it前无修饰语；而one用于替换与前提事物有共同之处但并不完全一样的事物，因此，one之前或之后一定有修饰语来加以区别。,1.The Parkers bought a new house but _ will need a lot of work before they can move in. (NMET2001,25) 2.I am looking for a house. Id like _ with a brook(小溪) around_. 3 I am moving to the countryside because the a
5、ir there is much fresher than_ in the city.,巩固练习,it,one,it,that,4.-Why didnt we take a break? -Didnt we just have _? 5. Cahterine bought a postcard of the place she was visiting, addressed _ to herself and then posted it at the nearby post office.,one,it,强调句,一、 It is/was+ 被强调部分是物 + that+剩余的部分 被强调部分是
6、人 + who/whom/ that +剩余的部分 注意 (被强调部分是:主语，宾语，表语或状语),我昨天在街上看到TOM.,I met Tom in the street yesterday., It was I who (that) met Tom in the street yesterday. It was Tom that I met in the street yesterday. It was in the street that I met Tom yesterday. It was yesterday that I met Tom in the street.,主语,宾语,时
7、间状语,地点状语,强调句的连接词一般只用 that ； 强调人时， 可用who (主语) 或 whom (宾语). 强调句的句型一般为“It was/is+强调部分+that+其余部分” 强调时间,地点,原因状语时,不能使用when,where,why 来代替that,I didnt realize she was a famous film star until she took off her dark glasses.,二 not . until . 的强调形式: It is not until + 被强调部分 + that . “直到才”， 主要用于强调时间状语的强调句型。,It wa
8、s not until she took off her dark glasses that I realized she was a famous film star.,三 强调主语时，谓语动词应与之保持一致。,It is I who _to go there together with you . A.am B is C are D were It was Mary and Mike who _ praised at the meeting. A.are B is C were D am,四 强调主语或宾语且其为人称代词时，应注意其形式仍用主格或宾格形式,It was _who showe
9、d me to the headmasters office. A.she B.her C. hers D it It was _ that the headmaster shook hands with yesterday. A.him B.his C.he D.it,巩固练习： 1.It was _ he said _disappointed me. A. what ; that B. that; that C. what; what D. that; what 2. Is it in the factory _ this type of cars are produced? A. whi
10、ch B. where C. that D. / 3. Is it the factory_ this type of cars are produced ? A. which B. where C. that D. /,4. _ on Monday night that all this happened? A. Is it B. It is C. Was it D. It was 5. It was _ the old worker came that we _ the experiment. A. until; didnt begin B. not until; began C. unt
11、il began D. not until; didnt begin 6. It is I _ singing in the garden. A. who are B. who am C. that are D. that is,把下列句子改为强调结构: 1 The meeting will not begin until everyone is seated. 2 They said honesty is the best of all the virtues.,1 It is not until everyone is seated that the meeting will begin.
12、,2 They said it is honesty that is the best of all virtues.,关于it 的一些固定句型,补充完整下列句子: 1 It _to walk to school every day. 每天我走路去学校花了20分钟的时间. 2 _that he studied abroad when he was young. 据说他年轻时在外国留学 3 It is_(cry)over the spilt milk. 覆水难收. 4 It is _that I _the Great Wall. 这是我第一次参观长城. 5 _ she is so angry. 难怪她如此生气. It is _ we last met. 自从我们上次相遇已有三年. 7 It _before we graduate. 我们不久就要毕业. 8 It is _. 我们该起床了.,takes me 20 minutes,It is said,no use crying,the first time,have visited,It is no wonder that,three years since,will not be long,time that we should get up /time that we got up .,
