JNI高中二年级英语 It用法.pptVIP

. careful person. It 用法 Uses of “It” I用作人称代词的It II用作形式主语和形式宾语的It III用在强调句型的It IV用在固定结构的It I、 用作人称代词的it 1)?it代替上文提到的事物 I had a good pen, but I lost it yesterday. I’ll buy a new one tomorrow. The weather of Beijing is colder than that of Guangzhou. 代同名异物 代同名同物 代不可数名词 . 2) 指前面提到的整件事情 He tried to run away from the police, but it is impossible. ? 3) 指不知性别的人。 The baby smiled when it saw its mother. “Who is it?” “It’s me.” “Who is it over there?” “It must be headmaster.” 4）表示时间，日期，季节，天气，温度，距离，环境等 “What time is it?” “It’s 9 o’clock.” It’s getting colder and colder. It is only 15 minutes’ walk from my home to our school. It’s too noisy here. 注意：it表示时间常用于句型：?a)It?is/has?been＋一段时间＋since?从句。? It’s /has been five years since he left. b) It?was/?will?be?+?一段时间?+?before?从句。 It was five years before he came back. ?It?will?be?five?years?before?he comes back. II用作形式主语和形式宾语的It It’s very important to master English. It’s no use learning without thinking. It worried me that she didn’t phone. I found it interesting to study English. I feel it no use crying. I think it strange that no one would take the money. You must see to it that you always carry your passport. You may depend on it that they will support you. I hate it when people talk with their mouths full. I like it when the sky is clear and blue in the fall. III用在强调句型的It It is / was + 被强调部分+ that (被强调为人时用who / whom) + 句子的其余部分. I saw John in the street this morning It was John that I saw in the street this morning. It was in the street that I saw John this morning. It was this morning that I saw John in the street. Who was it that you saw in the street…? Where was it that you saw John this …? When was it that you saw John in the street…? ---He didn’t go to bed until his father came back last night. ---It was not until his father came back that he went to bed last night. Not until his father came back last night did he go to bed. Please tell me ____ you? met?Jack?yesterday A. where?was?it?t