The present continuous tense 现在进行时基本用法基本用法1. 表示现在正在进行的动作和发生的事eg:---What are you doing? ---I am reading a book.2. 有时表示现阶段正发生的事 , 但此刻动作不一定正在进行eg:He is teaching at the school. We are learning Unit5 these days.3. 现在进行时的句子中常有 now, 或在句首常出现 Look! Listen! 等提示词eg:Listen! Danny is singing in the room. He is doing his homework now. 结构结构 : be+doing ( be 要根据主语作人称和数的变化 )句型转换句型转换1. 肯定句转换成否定句 , 要在 be 后加 not 构成eg:We are reading English now. We are not reading English now.2. 陈述句转换成一般疑问句 , 把 be 动词提到句首eg:The student is drinking. Is the student drinking?3. 陈述句转换成特殊疑问句 , 由“疑问词 + 一般疑问句”构成eg:He is working. What is he doing? 现在分词的构成现在分词的构成1. 直接加 – ing eg:look looking2. 如果动词末尾有不发音的 e , 则去 e 加 -ing3. 以动词闭音节结尾 , 且末尾只有一个辅音字母的 , 应双写此字母 , 再加 – ing. eg:sit sitting 口诀教你学 doing 进行时很好记 ,be 加动词 -ing; 直加双写去哑 e, 分词构成须仔细 ; 别说 be 词无词义 , 主语和它最亲密 ; 变疑问 be 提前 , 否定 not 再 后添 ; 何时要用进行时 look,listen,now标志 . 训练集中营 写出下列动词的分词形式 talk________ sleep _______ watch ________ sit ________ listen _________ make ________ laugh ________ lie ________ cry ________ sing ________ cut_________ write________ talking sleeping watching sitting listening making laughing lying crying singing cutting writing 选择适当的动词 , 用动词的适当形式填空 watch have talk take come comb 梳 play get say listen 1.Lily says”I _____three markers and my sister ____ one” 2.I want to_______ to the radio after lunch. 3.She ______ her hair in the morning after she ____ up. 4.Miss Zhang is________on the computer with Jenny. 5....