新牛津版八年级下第一单元语法课件.ppt

Unit 1 Past and present;Learning Aims： ;Task 1: Think find out;She has changed a lot so far. ;They have been married for 67 years. ;Im an English teacher now.;What about you ?;Unit 1;What about you ? ;She has changed a lot so far.;Can you work out the rules?;现在完成时的构成;Task 3: 现在完成时的时间状语;Can you work out the rules?;I have not had breakfast so far.;Now let’s watch a cartoon film.;■ I have watched this cartoon film since two 2 weeks ago. ; ①陈述句肯定形式。主语+ have/has+ 过去分词+其它 ②陈述句否定形式。主语+ have/has+ not+过去分词+… （在助动词have/has后+not，可缩写为haven’t/hasn’t） ; ③一般疑问句形式及其答语。Have/Has+主语＋过去分词＋… （将助动词have/has提前，句末加问号） 肯定回答：Yes , 主语＋ have/has. 否定回答：No , 主语＋ haven’t/hasn’t. ④特殊疑问句形式。（疑问词+一般疑问句） ??特词+ have/has+主语＋过去分词＋…？;Why do I look so happy?;Why is Yao Ming so tired?;A guessing game;A guessing game;A guessing game;规则动词： (1)、一般动词，在词尾直接加“ ed ”。 work---worked---worked, visit---visited---visited (2)、以“ e ”结尾的动词，只在词尾加“ d ”。　 live---lived---lived , (3)、以“辅音字母 + y ”结尾的动词，将 “y” 变为 “i” ，再加“ ed ”。 study---studied---studied, cry---cried---cried (4)、重读闭音节结尾，末尾只有一个辅音字母，先双写该辅音字母，再加“ ed ”。 　stop---stopped---stopped, drop---dropped--dropped ;过去分词的构成;1;; ;I ________ (do) my homework already. He _____________(not finished) his homework yet. ____you ever _____(be) to Beijing? We ______ never ______ (see) such an exciting match before. Mother _____ just _______(clean) the house. Please don’t come in. They _____________(practice) this dialogue twice.;句型转换;P14 exercises;have finished has visited has repaired have not seen have not come has taught; 1.Remember today’s contents. P14 ;