Unit 10 Jobs and Chores

一. 教學內容：    unit 10 part 2  1. 現在完成時里already, yet 的用法  2. 現在完成時延續性動詞及非延續性動詞的使用3. 重點詞組 二. 具體內容：i. yet和already都是副詞，意思是“已經”.常與現在完成時連用。already 用于肯定句。e.g. i have already finished my homework.    i have already done it twice.yet 常用于否定句和疑問句中，通常放在句尾。e.g. i haven’t finished my homework yet.    the meeting will be held in half an hour, but they haven’t got everything ready yet. ii. 現在完成時應注意的幾點。 1. 現在完成時句中常見的時間狀語a. 表示從過去一直持續到現在，不能是具體的過去時間for + 表示一段時間的詞語since + 表示過去時間點的詞語since +表示過去的時間狀語從句eg. i have been a teacher ______  a year.he has been at this school _______ 1992.we have learned 1,000 english words _______ we came to this school.b. just, already, yet, before/ ever, never有此類副詞時，常強調動作完成，不強調動作的持續.eg. have you _____been to japan?i have _____ finished my homework.i have       finished my homework .i haven’t finished my homework ____. 2. 區分短暫性動詞與持續性動詞.表示短暫性(瞬間性)的動詞在現在完成時的句中不能和一段時間連用.即for, since短語或how long問句e.g. i have bought this pen for 2 months.i have had this pen for 2 months.how long have your      this pen?the play has begun for an hour.the play has been on for an hour.come/arrive-be                go out –be out         leave-be away/frombegin-be on                   buy-have             borrow-keepjoin- be a member of            die-be dead           catch a cold- have a coldex. correct the mistakes in the following sentences.how long have you become a league member？for more than one year.have you arrived here since last night?yes, you’re right.the dog has died for a month.he has gone to shanghai twice.how long have been at this school?since two yearsex. change the sentences into the present perfect.1. my father came back from the bookshop just now.my father ______ just ________ ______   the book shop.