Lesson　83-84 words新概念一册教师用课件.pptVIP

Lesson 83-84words mess n.凌乱；杂乱 Excuse the ~. 请见谅，房子很乱。 pack v.打包，装箱 Ing, ed, suitcase n.手提箱 ,行李； 收拾行李 pack one’s~ leave v.离开 过去式 过去分词 我们打算明天走。 already adv. 已经（常用在现在完成时句子中） 我已经吃饭午饭了。 I have already had lunch. just adv. 刚刚，恰好 不用，谢谢，我刚刚喝了一杯咖啡。 No, thank you. I’ve just had a cup of coffee. A b b leave s leaving left left meet s ing met met keep s ing kept kept sleep s ing slept slept A b b sweep s ng swept swept feel s ing felt felt buy s ing bought bought catch es ing caught caught a b c eat s ing ate eaten drink s ing drank drunk give s giving gave given swim s ming swam swum see s ing saw seen 语法现在完成时  一、助动词 现在完成时中have has 作为助动词，是现在完成时的标志。翻译为：已经..了。 结构： 主语+have （has）(not)+动词过去分词+其他。 现在完成时的意义（1） 发生在过去的动作，现在已经完成，并对现在有影响时用现在完成时。 （跃跃说请我吃冰激淋可是）他已经离开了 。 否定 一般疑问句 回答 现在完成时与一般过去时比较 He has already had a cup of tea. He had a cup of tea yesterday. 一般过去时只强调过去。不涉及现在。 现在完成时的事虽然发生在过去，但强调对现在的影响。 Watch the flash Written exercise a, b p172 Listening exercise 时态转换 1.一般过去时 2.一般现在时 3.一般将来时 4.现在完成时 1. He has breakfast every morning. 2. She is having lunch now. 3. I took a bath yesterday. 4. They have had a party. * *