Unit6 The Media Lesson1 语法it详解课件-2023-2024学年高中英语北师大版（2019）选择性必修第三册

Unit6 The Media From Page to Screen Grammar：it 的用法 it is safe to say it’s normal to have high expectations it is the book writer who is in the best position to do film adaptations it becomes a question for screenwriters to decide what is appropriate It allowed the previously unfilmable to become a reality. find it difficult to adapt to a new form. it is clear that viewers will not be disappointed! 形式主语 真正主语 形式主语 真正主语 形式主语 真正主语 代词，指代前面CGI(计算机成像技术) 代词，指代book writer 形式宾语 真正宾语 形式主语 真正主语 P54 8 1. it 的最基本用法是作代词，主要指上文提到的事物，以避免重复： Xi’an is a beautiful city，isn’ t it? 西安是个美丽的城市，不是吗？ —Is this your dog? —No，it isn’ t. —这是你的狗吗？ —不是。 一、it 作代词 1.指天气： It is a lovely day，isn’ t it? 天气真不错，不是吗？ 2.指时间： It was nearly midnight when she came back. 她回来时已近午夜。 3.指环境： It was very quiet in the café. 咖啡馆里非常安静。 一、it 作代词 it 也可代指天气、时间、距离、环境等。 4.指距离： It is half an hour’ s walk to the city centre from my home. 从我家到市中心有半小时的步行路程。 5.指日期： —What’ s the date today? —It’ s November 13, 2023. ——今天是几号？ ——2023年11月13日。 6.指季节： It is winter now. 现在是冬季。 一、it 作代词 1. it作形式主语, to do作真正的主语： ① it is+adj.+(for/of sb)+to do 用介词for, adj.是用来形容to do这件事 (常见的adj.有important, vital, necessary, essential, normal, easy, difficult, possible...) It is important for us to read everyday. 二、it 作形式主语 用介词of, adj.是用来形容sb (常见的adj.有kind, polite,honest,brave, clever, rude, stupid,silly...) It is kind of you to help me out of trouble. 1. it作形式主语, to do作真正的主语： ②it takes sb +时间/金钱+to do sth It takes me two hours to finish the English paper. 二、it 作形式主语 2. it作形式主语, doing作真正的主语： it is no good/no use/no pleasure/no fun doing sth 做某事是没好处/没用/不愉快/没乐趣的 It is no use crying over spilt milk. 覆水难收 二、it 作形式主语 3. it作形式主语, that从句(主语从句)作真正的主语： ①it is+adj.+that 从句 常见的形容词有: necessary strange clear obvious natural important It is very clear that he finds the taste truly awful. 很明显这道菜真的难吃。 二、it 作形式主语 3. it作形式主语, that从句(主语从句)作真正的主语： ②it is+过去分词+that从句 It is said that 据说 It is reported that 据报道 It is believed that 据信 It i