江苏省新沂市第二中学八年级英语下册 Unit 1 Past and Present grammar 1教案 （新版）牛津版.doc

past and present教学目标1.认识和了解现在完成时的构成和用法。2.了解过去分词的构成。重点现在完成时与一般过去时的联系与区别。难点现在完成时与一般过去时的联系与区别。教法及教具教学过程教 学 内 容个案调整教师主导活动学生主体活动step1 presentation s2: for four years.t: yeah, eddie has lived with millie for four years.（板书）step2 while-tasktask 1 let the students know that the sentences on the board all include the present perfect tense. tell the students: we use the simple past tense to talk about what happened at a definite time in the past, like “eddie was born four years ago”. we use the present perfect tense to talk about things that started in the past and still have some connection with the present, like eddie has lived with millie since he was born. eddie has lived with millie for four years.task 2we make positive and negative sentences using the present perfect tense like this.subject have/ has+ (not) past participle i/you/we/they have (not) moved. he/she/it has (not) moved. we form the present perfect tense by adding haveor “has” before a past participle.e.g. have/has + seen/ done/ sung/, etc.task 3tell the student how to write the past participle of verbs.1) we add -ed to regular verbs. （板书seepage13） 2) we form the irregular verbs differently. we do not add -ed. ask the students to look at the table of irregular verbs on page 121. ask the students to remember the past participle of irregular verbs.动词原形 动词过去式 动词过去分词 a b b bring brought brought a b c do did done a a a let let let a b a come came come a a b beat beat beatentask 4 (a1)here is a short exercise for students to finish. ask the students to complete the table with the correct past participle on page 10. and then work out the rule.task 5 (a2)after the short exercise, ask the students to complete the sentences using the present perfect. help them to complete. ask them not to forget the verb have/ has.present the present perfect tense briefly. subject + have/has+ past participletask 6teach the students how to ask and answer questions using the present perfect tense.task7 chat time (a3)millie and sandy are talking about a film about hong kong. complete their conversation using the correct forms of the verbs in brackets.step3 post-task i. 分清一般过去时与现在完成时i cleaned the blackb