一■、概念 现在进行时表示说话时正在进行或发生的动作,也可表示当前一段时间内的活动 或现阶段正在进行的动作. 结构:助动词 be ( am / is / are ) +现在分词. 二、现在分词的构成: 1 .大多数动词后可在动词后直接加一ing . Eg: carry-carrying , catch —catching , enjoy —enjoying hurry-hurrying ,do —doing , re drink —drinking , ad-reading , think-thinking 2 .如果动词以一e3. 结尾,那么去掉-e ,再加一ing , 如 come-coming , have-having , make-making,ride —riding , write-writing,take-taking,use-using 如果动词只有一个元音字母,而其后跟有一个辅音字母时,将此辅音字母 双写,再加 -ing 如: hit — hitting,let-letting , put-putting,run —running , sit-sitting 4.如果动词有两个音节,且重音在第二个音节上,那么末尾的辅音字母双写,加 — ing, 如: forget-forgetting , prefer-preferring,travel —travelling swim-swimming 5. 以-ic 结尾的动词,应先把 -ic 变为 一ick ,再加 一ing , eg: panic/panicking 但 lie/lying ,die/dying ,tie/tying 是特殊变化要 记住. 三、句型结构: 1.现在进行时的肯定形式、否认形式、疑问形式及其答复,所有变化都表达在助 动 词 be ( is / am / are ) 上. 1)现在进行时的肯定形式:主语 +be (am/ is/are)+doing+ 其他成 分 I am singing . They are writing . 2)现在进行时白否认形式:主语+be (am/ is/are)+not +doing+其 他 I am not singing . 3) They aren' t writing . Am I singing ? Yes一般疑问句及答复:be (am/ is/are)+ 主语+doing+其他成 分 ,you are . / No , you aren' t Are they writing ? Yes , they are . / No , they aren' t 4)特殊疑问句及答复:特殊疑问词 +be (am/ is/are ) +主语+doing+其他成 分What are you doing ? We are playing (要求就提问内容具体回 答). 2 . 缩写形式如下: I am—- —I'm You are-- -You're He is -------------- -He's She is--- She' s It is ------------- -It's We are--- We re They are— -—They" re 四.用法: 1 .表示现在( 指说话人说话时) 正在发生的事情.往往与 at the moment just 等副词连用,以示强调. We are waiting for you. What are you doing? Some one's knocking at the door. 2 .正在进行着的动作可视为未完成的动 作: He' s talking to his friends in the classroom. 可 now, 用 still 3 一词强调动作的持续性 He's still talking to his friends in the classroom. . 表示一段时间内重复性的动作,说话时动作未必正在进 行. Mr. Black is writing another article. 4 .现在进行时可用来表示不会长期发生的动作或情况,或被认为在短期内正在进 行的动作或存在的状 态 What's your brother doing these days? He's studying Engli sh at Oxford University. 5 .现在进行时也可以用来表示当前的动向: People are becoming more and more beautiful these days. 表示渐变的动词有 :become, turn,get,grow,run,go , begin 等. The leaves are turning brown. It's getting colder and colder. 7.与always,constantly,forever 等词连用,表示反复发生的动作或持续存 在的状态,往往带有说话人的主观色彩. 6. You are always changing your mind. 一.用现在进行时完成以下句子: 1。 2。 3。 4。 5。 What 7。 8。 9。 11。 12 13。 m 15。 The naughty boy (swim) in the river. 14。 What he(mend)? He(mend) a car. These boys (play ) tennis on the playground. My mother (cook) in the kitchen. _______________ the boy _________________________________ (write) his homework? Look! These butterflies _______________________________________ (fly) in the sky Listen! The girl (sing) in the next roo We can' t help you,because we (have )classe s you(sit ) in the boat ? he(talk) with me? We(play) you(do) ? football now o you(fly) a kite ? Yes, . 6。 I(sing) an English song. 10。 二.选择 1 . Look Lucy is ___________________________ a new bike today A. jumping B. running C riding D takeing 2 The children __________________________ football A. is playing B. are playing C. play the D. play a 本文来源:https://www.wddqw.com/doc/02e9d3132179168884868762caaedd3383c4b56a.html