7a unit 2 lets play sports（第4課時）grammar教學案一、教學目標：1 理解行為動詞一般現(xiàn)在時的用法。 2 掌握行為動詞一般現(xiàn)在時的肯定句、否定句、疑問句及肯定和否定回答的基本法 3 結(jié)合本單元話題，用一般現(xiàn)在時進行交際。二、教學重難點：行為動詞一般現(xiàn)在時的用法。 行為動詞疑問句及其肯否定回答。三、學習與交流：2 翻譯生詞在周末_ 當然_ 購物_ 3 .寫出下列動詞的第三人稱單數(shù)形式。put_ play_ study_enjoy_ have_guess_dress_ miss_ watch_fly_do_ go_ wash_teach_ fix_交流展示：1. 預習情況。2. 行為動詞第三人稱單數(shù)形式變換 行為動詞三單形式變換規(guī)則：（背誦以下內(nèi)容）（1） 大部分動詞直接加s如like -likes play-plays（2） 以一個輔音字母加y結(jié)尾的，去掉y加ies。如study-studies fly-flies(3) 以sh, ch, ss,x 結(jié)尾的加es. 如wash-washes watch-watchesdress-dresses fix-fixes (4) 以o 結(jié)尾的加 es , 如 do-does go-goes4、 典型題列：( )1. -_? -yes, he does. a. do you like applesb. does he like applesc. what does he liked. does she like apples( )2. my sister likes watching tv, but my brother_ like it. a. isb. isntc. dontd. doesnt( )3.my little sister glasses after school.a. does notb. does wearc. doesnt weard. not wear( )4.my cousin bobby enjoy a. play gamesb .listen to the radioc. wear glassesd .playing basketball( )5._your sister_to school every day? a . are walkb is walkc. does walksd. does walk 五、達標檢測i.句型轉(zhuǎn)換。 1. i play football very well.(改一般疑問句并否定回答) _ you _football very well? _ ,_ _.2. he does his homework every day.( 改否定句) he _ _his homework every day.3. she goes to school by bike every day(改一般疑問句并肯定回答)_she_to school by bike every day? _, _ _. 4. i do my homework on sundays(改一般疑問句) _you_your homework on sundays?ii.用所給動詞的適當形式填空。iii. 用括號內(nèi)所給動詞的正確形式填空：dear simon, at the weekend, i get up early. i _ (go) swimming for half an hour. then i _(come) back home for breakfast. my mother _(do) the housework, and she _(be) always busy. my father _(not do) housework. he _(work) very hard on weekdays, so now he needs rest. in the morning i _(do) my homework. in the afternoon, my father and i _(go) swimming. my father _(love) swimming, and he is good at it. my mother _(enjoy) reading. in the evening, we often _(eat) in a restaurant._(write) to me soon!iv .完成下例句子1 .- 你一周去散步幾次？-三次。 - _ _ _ do you _ _ a week ? - _ _.2 .-他網(wǎng)球打得好嗎？-是的。 -_ he _ _ _ _? -yes, he _.3. -他通常在哪里游泳？-在游泳池。 -_ does he usually _? -_ the _ pool.4