8A unit6 National disasters 教案

   my parents_________(watch) tv when i arrived home last night. •       剛才當老師走進教室的時候,學生們正在讀書.    students ____________(read)when the teacher came in just now. 在這些句子中,when引導的句子表過去的某一個具體的時間,when從句用一般過去時,而它的主句用過去進行時. •       但是若強調某個動作正在進行中時,又發生了別的動作,用when從句. when從句必用過去進行時,主句用一般過去時.(表示在when從句正進行期間又發生了主句的動作)此時, when=while,表時間段.如 •       __________we were having supper, the light went out. •       ____________he was riding a bike, he fell off and hurt his leg. •     若主,從句兩個延續動作同時進行,用while,則主句與從句都用進行時,    此時,while譯為“而” “一邊,一邊”,如: . he was reading the newspaper  __________ i was studying. 三.（熱身一下吧）用 when  和while填空。 1.my mum was sleeping ______ my aunt came to visit her. 2. my father was working in the garden _______ i was sitting in the sun. 3.________ he came yesterday, we were playing basketball. 4._______ we were laughing , the teacher came in. 5._______ the whites were having supper, i knocked at the door. 五.完成句子. 1.當到simon的時候,amy正在從地上取雪. ________ simon ________ , amy _______ ________ some snow from the ground. 2.正當danial在做雪球時, 他摔倒了. ________ danial _______ _________ a snowball , he ________ ________. 3.suzy在堆雪人的而kitty就站在她的旁邊. suzy _______ ___________ a snowman ________ kitty _______ ________ beside her. 4.正當mary在拍照的時候,andy朝她跑了過來. andy _________ towards mary ________ she ________ ________ _________. 5.正當我在買東西的時候,地震發生了. the earthquake _______ __________ i _______ ________ some shopping. 6.剛才我看見李平和他的父母在路邊等公共汽車. i _______ li ping and his parents ___________ ________ the bus ______ the side of  the road.

課 堂 交 流 展 示

 展示一:在組內和班內展示課前自學中重要的短語及句型. 展示二(1):根據圖形用正確的時態回答問題. 例句①t: what was the girl doing when i           came?  s: she ______ ________ when i came. = when i came , she ______ _______. (2)小組模仿回答。并根據課本100頁a2回答下列問題。 what was mr. wu/simon/millie/sandy doing when the snowstorm came? ① mr.wu _________________ when the snowstorm came.  = __________________________________________________.