高中英语必修1-unit-1-language-points.ppt

It will be + 一段时间 + before sth does It was + 一段时间 + before sth did 过了多长时间才….（主句是肯定句） It won’t be long before sth does It wasn’t long before sth did 不久….就 ….（主句是否定句） before 如果强调从句动作发生在主句之前，意为“还没来得及就……” ----Why didn’t you tell him the news? ---- He rushed out of the room _________________________________(我还没来得及说一句话)。 before I could say a word He is leaving for USA and it will be three years before he _______(come) back. She had studied English for 6 years before she ______(go) to college. It wasn’t long before he _________(finish) his homework. (改错)Last month he joined the army, so it will be three years before he came back comes went finished —— comes 还要过一段很长的时间，我们才能再见面。 2. 过了一个星期后，我们才意识到真相。 3.用不了多久我们就会成为一个大学生。 4.没过多久她就回来了。 It will be a long time before we meet again. It was a week before we realized the truth. It won’t be long before we become a university student. It wasn’t long before she came back. 2. I don’t want to set down a series of facts in a diary as most people do. But as the moon gave far too much light, I didn’t dare open a window. as “如同；按照，像”引导方式状语从句 When in Rome, do as the Romans do. as “由于；因为”引导原因状语从句 2）far 副词，表程度 常与too或形容词的比 较级连用, 意思是“过于…, ……得多 ” too much ＋不可数名词 “太多” too many ＋ 可数复数名词 3) dare v. 敢, 敢于，作情态动词和实义动词。 作情态动词时, 通常用于疑问句、否定句或条件句中；或与whether, hardly等连用，没有数的变化。 dare do sth 敢于做某事 daren’t do sth 不敢做某事 作实义动词：可用于各种句子中；在疑问句或否定句中，to 经常被省略，有数和时态的变化。 dare to do sth 敢于做某事 don’t/doesn’t/didn’t dare (to) do sth 不敢做某事 Eg: Do you dare (to) tell her? 2. He didn’t dare (to) park his car there. 1) I wonder how he _____ that to the teacher. A. dare to say B. dare saying C. not dare say D. dared say 2) The little girl _____ go downstairs alone when her parents are out. A. dares not to B. dares not C. dare not to D. dare not 3) She is a bit shy and ____ stand up and answer the teacher’s questions. A. dares not B