八年级英语下册Unit1课件1.ppt

时态：一般将来时 语法讲解: 一般将来时 动词构成:1) will do (无人称，数的变化) 否定：will not do=won’t do 疑问：Will---do-? 2) am/is/are going to do 否定: am/is/are not going to do 疑问：把Am/Is/Are 提前 2 用法：表示将要发生的动作或计划打算要做的事 3标志词: tonight，tomorrow, next day (week, month, year…), soon, the day after tomorrow （后天）， in the future， in+段时间（在...之后） eg: in three days在三天后. how soon；等。 4. be going to和will 的区别 be going to和will 的用法虽然都表示将来发生动作或情况，但它们的用法是有区别的。 1）be going to主要用于： 1、表示事先经过考虑、安排好打算、计划要做的事情。What are you going to do today?今天你们打算做什么？ Dad and I are going to watch an opera this afternoon. 今天下午我和爸爸打算去看歌剧。 2、表示根据目前某种迹象判断，某事非常有可能发生。 Look! There come the dark clouds. It is going to rain. 瞧！乌云密集，天要下雨。 I am afraid I am going to have a cold. 恐怕我要患重感冒。 (2) will主要用于在以下几个方面： 1、表示单纯的未来“将要”通用各个人称。eg: They/I/He/She/ will go to visit the factory tomorrow. 明天他们/我/她/他将去工厂参观。 2、表示不以人的意志为转移的自然发展的未来的事。 Today is Saturday. Tomorrow will be Sunday. 今天是星期六。明天是（将）是星期日。 He will be thirty years old this time next year. 明年这个时候他就（将）三十岁。 3.在条件从句的主句中，一般不用 be going to, 而用will, 如： If any beasts comes at you, Ill stay with you and help you. 1 We ______ (have) an English party next week. 2 People _____(fly) to the moon for vacation in the future. 3 There _____(be) a math exam next Tuesday. 4 People will live to be 200 years old.(一般疑问句) ___ people ____ to be 200 years old? 肯定回答：____________否定回答：_______ 5 My father will be back in two days. (提问) ____ ____ ___your father____ back? 6 There are going to be two movies tonight.(同义句) ____ ___ ___ two movies tonight. 7 People will have robots in their homes. (提问) ____ ____ People have in their homes ? 8 She will be an engineer.(否定) She ____ ___ an engineer will have will fly will be Will live Yes, they will No, they won’t How soon will be There will be What will won’t be How will the world be different in 100 years? 100年后，世界会怎样的不同？ ___A___D 1.People will have robots in their homes. ___A___D 2.People won’t use money. Everything will be free.