2024届中考英语专项复习模块一词汇：11.it用法

it用法 it作为人称代词的用法 1. it作为人称代词时，可指代除人以外的动植物和物品，意为“它”，有时也可指代婴儿或性别不明确的某人。 · I keep a dog. It’s very clever. · Bob left his English book at home. He called his mother to send it to school. · The baby is sleeping. It must be quite tired. · Someone is knocking the door. Who is it? 2. it可指代this或that · ---What’s this in English? ---It’s an orange. · That’s your bike, isn’t it? it作为非人称代词的用法 it作为非人称代词可指时间、天气、距离以及上文出现过的内容。it还可以作不定式、分词、动名词的形式主语和形式宾语。 1. 指时间 · ---What time is it now? ---It’s 10:30. · ---What’s the date today? ---It’s June 1st. 2. 指天气 · It’s very hot today. · It was sunny yesterday. · We decide to go to the zoo if it doesn’t rain on the weekend. 3. 指距离 · ---How far is it from your home to school? ---It’s about ten minutes’ walk. · It’s less than five kilometers from the bank to the post office. 4. 指上文出现过的内容 · ---When is your birthday? ---It’s on August 10th. · Everyone enjoys Miss Wang’s class because it’s really interesting. · Sarah didn’t come back home at 11 in the evening. It worried her mother. 5. 作形式主语（代替不定式短语、动名词短语） · It’s not your fault to miss the flight. · It’s very kind of you to help with my math. · It’s necessary for us to do some exercise every day. · It took me ten hours to arrive in Beijing. · It’s no use buying a book but not reading it. 6. 作形式宾语（代替不定式短语、动名词短语） · We find it impossible to get there in three days. · They consider it good for children to drink milk in the morning. · Some parents think it necessary to develop their children’s learning ability. · I believe it important grasping a foreign language. 强调句 1. 结构：It is/was +被强调部分+ that/who...，该结构用于强调主语、宾语、状语等，但不能强调谓语动词。 · I bought this book yesterday morning. It was yesterday morning that I bought this book. It was this book that I bought yesterday. It was I who/that bought this book yesterday morning. （注意：当强调部分指人时，用who或that都可以；除此之外都用that） 2. 强调句和定语从句的区别 (1) 强调句去除“it is/ was... that”仍是完整的句子，定语从句则不是。 · It was a summer when we met.（定语从句） It was in a summer that we met.