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1、用心爱心专心1 第 13 讲 it的用法及强调句型 it的用法 一 it作指示代词 完成句子 用 one ones it that those 填空 1 I can t find my watch You haven t found If you want to buy a new I suggest you buy made in China 2 We ve got a big cup and two small 3 The weight of an elephant is much greater than of a tiger 4 The books on the first shelf
2、 are easier than on the second shelf 5 The boy told his story and of the girl upstairs 答案 1 it one one 2 ones 3 that 4 those the ones 5 that the one 结论 1 指代上文提过的事物时 it指的是同名同物 相当于the 名词 one 指的是同名异物 表示单数可数名词相当于a 名词 a an 形容词 one 等 于 a an 形容词 名词 复数形式用ones that后面常有后置定语 有特指意义 代替不可数名词或单数可数名词 相当于the 名词 复数名词
3、用those 相当于the ones 例句观察 Someone is knocking at the door Who is it It must be Leo He said he d come to see me 结论 2 it指代人时 常指小孩或身份不明的人 例句观察 It s too quiet in the room Everyone just keeps silent 结论 2 it可用以指代环境或情况 用心爱心专心2 完成例句 根据语境补全句子 6 What time is it now It s half past seven 7 It is spring now and it
4、 s warm these days 结论 4 it可用以指代时间 季节 天气或距离 注意 it指代时间时 有如下一些句型 1 It is time for sth for sb to do sth that 从句 should do did 必 须用虚拟语气 例 It s time for lunch It s time for us to clean the house It s time that we should clean the house It s time that we cleaned the house 2 It is has been some time since 从
5、句 从句用一般过去时 3 It This is the first second time that 从句 必须使用现在完成时 这是某人第 次做了某事 It That was the first second time that 从句 必须使用过去完成时 例 It is the second time that she has visited the Great Wall This was the first time that I had come late to school 4 It was 时间点 when 从句 例 It was evening when we got home It
6、 was evening in which we got home 5 It was will be some time before 从句 例 过了5 年他们才从北大毕业 It was five years before they finally graduated from Beijing University 不久 我们就要从我们学校毕业了 It won t be long before we graduate from our school 二 it作形式主语 完成例句 根据语境补全句子 用心爱心专心3 8 It is possible for me to make a tour ar
7、ound the world 结论 代替由不定式 动名词或从句所表示的真正主语 为平衡句子 通常把不定式作主 语改为 it 作形式主语 三 it作形式宾语 例句观察 How did it come about that so many people were attacked She feels it hard to get in touch with her old friend Mobile phones make it possible for us to keep in touch anywhere I have made it a rule to get up early 结论 1
8、it可以用在某些固定句型中 例如 How did it come about that 从句意为 怎么发生的 it 作形式宾语常用结构有 代替由不定式 动名词或从句所表示的真正宾语 常见结 构有 主语 think consider find feel make believe regard it adj n for sb to do 例句观察 I consider it no good chatting with strangers through the Internet 结论 2 主语 think consider find feel it no good use doing sth 例句
9、观察 I hate it when people speak with their mouths full 结论3 主语 hate dislike love like it when 从句 表示对某一情况 的喜好或厌恶 例句观察 I really appreciate it if you could help me with my math 结论 4 主语 appreciate it if 从句 例句观察 You must see to it that the doors are locked before you leave the lab You can depend upon it th
10、at we won t give up I answer for it that she is an honest girl 用心爱心专心4 结论 5 主语 see to answer for it that 从句 确保 主语 depend on it that 从句 指望 确信 四 带 it的一些固定词组 1 You ve I ve got it 懂了 明白了 2 Forget it 算了吧 别在意 没关系 3 take it easy 别着急 慢慢来 别过于紧张 4 make it 办得到 做成功 5 make it 时间把 定在 某时 6 It That all depends 那要看情
11、况而定 7 It can t be helped 没有办法 这是不可避免的 8 It is hard to say 情况很难说 9 It comes to nothing 没有什么结果 10 Don t mention it 不用谢 11 That s it 对了 正是 12 catch it 口语 被责骂 受处罚 13 Believe it or not 信不信由你 14 It doesn t matter 没有关系 不要紧 15 When it comes to 当谈到 当涉及 16 Keep it up 再接再厉 强调句型 一 强调句型的基本用法 1 强调句结构 It is was 被强
12、调部分 that 句子的其余部分 2 句型解读 1 it是引导词 强调的内容可以是句子的主语 宾语 状语 如果被强调的部分是 人 that 可用 who代替 其他情况一律用that 2 验证强调句的方法 去掉It is was that 结构后 可以把被强调的部分与 句子其余部分还原为一个完整的句子 二 强调句型的考点 例句观察 1 It was Edison who invented the lamp 用心爱心专心5 2 It is Edison who invents the lamp 结论 1 注意时态的一致性 原句中用的是过去的某种时态 用 it was that 原句 中用的是现在或
13、将来的某种时态 用it is that 例句观察 It is I that am your English teacher 结论 2 当被强调的部分是主语时 注意保持主谓一致 例句观察 He didn t go to bed until he finished his homework 对画线部分进行强调 It wasn t until he finished his homework that he went to bed 强调句 结论 3 not until 结构用于强调句中 not 要提前到until之前 放在be 动词后 即 It wasn t until that 句子的其余部分 例
14、句观察 Was it not until he finished his homework that he went to bed 结论 4 强调句的一般疑问句形式 Is Was it 被强调部分 that 句子的其余部 分 完成句子 When was it that he went to bed 结论5 强调句的特殊疑问句形式 特殊疑问词 is was it that 句子的其余 部分 例句观察 I really don t know when it was that he went to bed 结论 6 含有强调句型的特殊疑问句作宾语从句时 注意用陈述语序 疑难 It is in the city where he was born that he works 他工作的地方是他出生的那个城市 疑难剖析 强调句中的被强调部分含有一个定语从句 要注意区别 分析 It is was 被强调部分 定语从句 that who 句子的其余部分
