資源簡介 現在進行時一、概念表示現在正在進行的動作或存在的狀態。二、構成(一)肯定句主語 + be 動詞(am/is/are) + 動詞的現在分詞 + 其他。I am reading a book now.(我現在正在讀書。)She is singing in the classroom.(她正在教室里唱歌。)They are playing basketball on the playground.(他們正在操場上打籃球。)(二)否定句主語 + be 動詞(am/is/are) + not + 動詞的現在分詞 + 其他。I am not reading a book now.(我現在沒有在讀書。)She is not singing in the classroom.(她現在沒有在教室里唱歌。)They are not playing basketball on the playground.(他們現在沒有在操場上打籃球。)(三)一般疑問句Be 動詞(Am/Is/Are) + 主語 + 動詞的現在分詞 + 其他?Are you reading a book now (你現在正在讀書嗎?)Is she singing in the classroom (她正在教室里唱歌嗎?)Are they playing basketball on the playground (他們正在操場上打籃球嗎?)(四)特殊疑問句特殊疑問詞 + be 動詞(am/is/are) + 主語 + 動詞的現在分詞 + 其他?What are you doing now (你現在正在做什么?)Where is she singing (她正在哪里唱歌?)Who are they playing basketball with (他們正在和誰打籃球?)三、動詞現在分詞的變化規則(一)一般情況下,直接在動詞原形后加 -ing。play - playingread - readingwatch - watching(二)以不發音的字母 e 結尾的動詞,去掉 e,再加 -ing。come - comingmake - makingwrite - writing(三)以重讀閉音節結尾,末尾只有一個輔音字母的動詞,先雙寫這個輔音字母,再加 -ing。run - runningstop - stoppingswim - swimming(四)以 ie 結尾的動詞,把 ie 變為 y,再加 -ing。lie - lyingdie - dyingtie - tying四、常見標志詞now(現在)、at the moment(此刻)、look(看)、listen(聽)等。當句子中出現這些詞時,常使用現在進行時。Look! The birds are flying in the sky.(看!鳥兒正在天空中飛翔。)Listen! She is playing the piano.(聽!她正在彈鋼琴。)I am busy at the moment. I am doing my homework.(我此刻很忙。我正在做作業。)五、練習題(一)用所給動詞的適當形式填空I ______ (watch) TV now.He ______ (play) football at the moment.Look! The children ______ (dance) in the classroom.(二)將下列句子改為否定句She is singing an English song.They are having lunch now.(三)對劃線部分提問They are playing games in the park.(對 playing games 提問)He is doing his homework at home.(對 at home 提問) 展開更多...... 收起↑ 資源預覽 縮略圖、資源來源于二一教育資源庫