八年级英语下册 Unit 1 Past and present Grammar 1教案二 牛津版.doc

最新资料推荐Period 5 Grammar I(Present perfect tense)Teaching goals To learn the spelling of the past participles of verbs To recognize contexts for the use of the present perfect tense To use the present perfect tense to talk about events that starts in the past and are connected to the present To understand adverbs of time and use them with the present perfect tenseTeaching proceduresStep 1 Learning about the present perfect tenseHere is a brief review of the form and function of the present perfect tense. The present perfect is used when the time period has not finished: I have seen three movies this week.(This week has not finished yet.) The present perfect is often used when the time is not mentioned: Gerry has failed his exam again. The present perfect is often used when the time is recent: Ikuko has just arrived in Victoria. The present perfect is often used with for and since. Greg has lived here for 20 years. Greg has lived here since 1978. The present perfect is formed like this: have plus past participleStep 2 Having a revisionWhat did you do last night? What did your mother do two weeks ago? What did you father do last year? Work in pairs to talk about the thing they did in the past. Step 3 Doing practice Eddie was born four years agopast present We use the simple past tense to talk about what happened at a definite time in the past. Eddie has lived with Millie since he was born. Eddie has lives with Millie for four years. past presentWe use the present perfect tense to talk about things that started in the past and are continued to the present. We have known that Hobo was very angry, because Eddie has eaten his food. (Eddie ate the food in the past and now Hobo does not have anything to eat. ) We also use the present perfect tense to talk about things that happened in the past and have connection with the present. Step 4 Arriving at a conclusion We make positive statements and negative statements using the present perfect tense like this: have /has (+not) + Past participle We usually use these forms when we speak: hasnt = has not, havent = have not Look up the past participles in the dictionary if necessary. There is also a table of irregular verbs on page 112. We ask and answer questions using the present perfect tense like this.Have I /you/we/they arrived? Yes, I/you/we/they have. No, I/you/we/they havent/have not. Has he/she/it arrived? Yes, he/she/it has. No, he/she/it hasnt/has not. Step 5 Doing practice Mr Wu asks the students to complete the sentences using the present perfect tense. Completer the sentences in Part A1 on page 14. Millie and Sandy are talking about an exhibition of the history of Beijing. Complete the conversation in Part A2 on page 15. Step 5 Presenting We can use some typical time expressions with the present perfect tense. Show the table on page 16 to the students. Explain the use of the following time expressions: already, yet, ever, never, just, recently, for, sincealready, just, ever and never usually come after have or has while yet comes at the end of a sentence. Step 6 Doing practice Daniel and Simon are talking about different forms of transport. Complete the conversation on page 17 using the present perfect tense of the verbs in brackets and the correct time expressions. Step 7 Doing homeworka. Review the use of the present perfect tenseb. Fill in the blanks with the right tense of the verbs. 1. Eddie _ (be) born four years ago. 2. Eddie _ (live) with Millie since he was born. 3. Mr Smith _ (not come) back yet. 4. _ they _ (see) any exhibition recently? 5. - _ you _ (finish) your work? - No, I havent. (Keys: was, has lived, has not come, Have/ seen, Have/ finished)最新精品资料整理推荐，更新于二二二年四月四日2022年4月4日星期一08:46:37