卜芽Unit7Howlonghaveyoubeencollectingshells4.doc

Unit7 How long have you been collecting shells?第四課時（Self Check）【學習目標】1) Present perfect progressive2) Simple past tense3) Present progressive tense 【學習重難點】區(qū)分過去進行時，一般過去時和現(xiàn)在進行時【課前預習】單詞及短語：extra, coin, topic, been, writer, be interested in, a talent show, Win the first prize, finish doing sth. with a very colorful history. European influence, more than= over, were welcomed by, Enjoy doing sth. far from, near to句型： What does Bob collect?He collects kites.How long has he been collecting kites?Hes been collecting kites since he was ten years old. 【展示交流】“thethe”結(jié)構(gòu)：在此結(jié)構(gòu)中，the后連接形容詞或副詞的比較級，即：the+（形容詞，副詞）比較級The+（形容詞，副詞）比較級,該結(jié)構(gòu)意為“越就越”。兩個比較級前用定冠詞the分別引導一個分句，前一分句常做狀語，表示條件，后一分句則表示結(jié)果，兩個句子屬因果關系。如：The sooner, the better.【合作探究】現(xiàn)在完成時的幾種句型：a. 肯定句：主語+havehas been + 動詞的現(xiàn)在分詞。如：Ive been sitting here all afternoon.我在這兒坐了一下午。 b. 否定句：主語+havehas not been + 動詞的現(xiàn)在分詞。 如：He has not been teaching here these years.這些年他并沒有在這兒一直教書。c. 一般疑問句及其回答：HaveHas +主語+ been+動詞的現(xiàn)在分詞肯定回答：Yes, 主語+ havehas;否定回答：No, 主語+ havent (hasnt) . 如：Has she been working here all day?她一整天都在這兒工作嗎？Yes, she has. 是的No, she hasnt. 不，她沒有。d. 特殊疑問句：疑問詞+一般疑問句。如：What book have you been reading recently?最近你在看什么書？【達標拓展】Self check 1 and 2These two activities focus on vocabulary introduced in the unit.Say, first check the words and phrases you know.Then write five new words or phrases in your Vocab-builder.Get students to make their own sentences with the words, preferably sentences that are meaningful.Write a number of students answers for each word on the board. Underline any mistakes and ask students to suggest how to correct the mistake.Answers1.Our class is organizing a talent show to raise money for charity.2.I need extra English lessons. Do you know a good teacher?3.My hobby is collecting old coins.4.I didnt finish writing my test because I ran out of time.5.During the winter I store my summer clothes in bags under my bed. 【當堂檢測】.選用所給詞的適當形式填空start , leave , have , bring , spend , play , laugh , make , good , interest1. Bill _ to play with computers at the age of 13.He_with computers for around one and a half years.2. His father is very _ in playing bridge(打橋牌).3. He said he was sure he could make him_.4. In a few days hell _for London.5. He _ half an hour on his homework at home every day.6. She isnt so _ at math as yo