8AU1Gramma: present perfect tense（Good afternoon, boys and girls.welcome to my class.I'm very happy to be here and learn English with you . Today we will learn the grammar part in unit one.）Step1.New words（新授单词）yet /jet/ adv.还，仍recently /ri:sntli/ adv.近来，最近past /pa:st/ adj.过去的already/ɔ:lˈredɪ/adv.已经（At the begining,let’s learn some new words.Read after me/follow me.Now can you please practice these words for yourself ?And next i will check your pronunciation.Now let’s start.5 miniutes for you.time is up.Now please look at the blackboard.Who wants to try?/Any volunteers?/(Don’t be nervous./Come on,you can do it./Just have a try.It doesn’t matter if you make any mistakes.Jessica please.Good/Very good/great/well done/,Sit please.I think you have already mastered this one.）Step2.Lead in(新课导入)I have lived here since I was born.We have lived in this area since then.Now the government has turned part of the town centre into a new park.It has become impossible for us to see each other as often as before.（Invite students to read sentences using present perfect tense before the class.You know, recently,our friend Millie had an interview with Mr Chen to know something about Sunshine Town. Mr Chen, n native of Sunshine Town, offered some information as follows.Now I’d like to Invite someone to read sentences using present perfect tense. Who can read them for us?OK Jessica please. ... Thank u Jessica!）Step3.present perfect tense（现在完成时）1.The structure of present perfect tense.have/has ＋past participle(pp)1.1regular verbWe form the past participles of rugular verbs by adding -ed,just as what we do to form the simple past tenseof these verbs.1.2Irregular verbWe form the past participles of irrugular verbs differently.Here are some examples.Tip：Turn to pages122 and 123 for more changes of irregular verbs.➢Practice1:Write the past participles of the following verbs(After reading these sentences, ask students to find the structure of these sentences with present perfect tense.have/has+doneOkay guys, can u find some similarities among these sentences?/Can you find the same stucture?Halen,you please.yeah,the verb is different.what’s the structure?They all have "have/has+done(past participle)"You are very good at observation! When we see "have/has ＋past participle(pp)" in one sentence, we call it present perfect tense.When can we use have?Some students may answer .when the subject is I/we/you/they,we can use have in thesentances.Of course you are right.You are so clever.And if the subject is a plural form.We use have too.When can we use has?when the subject is he\she\it.That’s right,very good.When the subject is uncountable noun and Third-person singular ,we use has.Next question.1.1 regular verbWhat is past participle?Let’s leaarn about it.When we need to form the past participles.We must divided verbs into two groups.The fist one,look at the screen:regular verbs .And the other one is irregular verbs. The first one,we add ed after the verb.For examples....The second one,verbs ending in e,we add d after the verb.For examples.....Next one,Verbs ending in a consonant + y,y into i than add ed.For examples.....The last one,Short verbs ending in a vowel +a consonant.double the consonant,than add ed.For examples.... So,these are the regular verbs.1.2 Irregular verbNext one,irregular verbs.Now you have some time to read all these verbs.Maybe they are irregular verbs.Maybe they are regular verbs.You can open your book and turn to pages122 and 123 for more changes of irregular verbs.Then we will do some exercise to practise how to form the past participles verbs.➢Practice1:Write the past participles of the following verbs（Are you ready?Let’s go.Look at the screen.There is a table.All of the verbs are divided into two groups.On the left is regular verbs.The words on the right are irregular verbs.So you have some time to finish the exercise.To form the past participles of given verbs.5minutes for you.Let’s start with the left one.The first one,borrow,borrowed.What about hope？Yes,e,so we just add d at the end of the word,hoped.Next one.plan,double the consonant,than add ed,planned.cry,y into i than add ed,cried.watch-watched,enjoy enjoyed.Let’s check it.Are your answers right?I think you are right.Then next one the words on the right.make is an irregular verb,make-made.Next one get,change the vowel,get-got.Next one,send,change the consonant,sent.Next one,say,maybe you have learnt before.The past participle of say is said.Next one grow,The past participle of grow is grown.Very good!The last one,no change,hit-hit.So let’s check it.Are you right?This is the first point-the structure.The secongd one,we’ll learn how to use it.It’s a question.Look at this one.）2.The usage of present perfect tense（时态概念举例说明）1）We use the present perfect tense to talk about an action that started in the past and continues to the present.（表示过去的某一动作一直持续到现在。
