Module 2 Unit 3 外研版英语九年级上册同步教学课件(共25张PPT)

Module 2 Public holidays Unit 3 Language in use found since then flag until off all kinds of vacation take a vacation season kid have fun band UK as soon as fourth sixth seventh eighth ninth tenth twelfth twentieth among speech pioneer grow corn following lay (laid, laid) lay the table over dish parade ourselves Revision of words and expressions The Adverbial Clause of Time 用来修饰主句中的动词，副词和形容词的从句叫状语从句。 时间状语从句常用when, as, while, before, after, since, till, until, as soon as等连词来引导 1.while “当…时候” (1) “当…时候” His parents died while he was at school. (2) “与…同时” You may go swimming while I’m having lunch. 2.when “当…时候” I loved math when I was at school. He looked upset when I spoke to him. 3.when 与 while 的区别 (1)while只能与延续性动词连用。 (2)when 既可与延续性动词也可与瞬间动词连用 While/when he was reading, he fell asleep. When he came in, I was having lunch. （2016•河南） A stupid man tells a woman to shut up，while a wise man tells her that her mouth is quite beautiful______ it is closed. A．unless B