现在进行时(一)

现在进行时的概念 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．

现在进行时的用法 表示现在( 指说话人说话时) 正在发生的事情或动作． The boys are playing football.

现在进行时的用法 表示现阶段一段时间内在做的事，此刻动作不一定正在进行。 I am working on the farm.

现在进行时的用法 现在进行时也可以表示将要发生的动作。 The bus is coming.

The boys are playing football. be动词 现在分词 I am working on the farm. The bus is coming. The boys are playing football.

现在分词的构成 大多数动词可在动词后直接加-ing。 eat-eating, do-doing, read-reading 如果动词以-e结尾,则去掉-e,再加-ing。 come-coming, have-having, make-making, write-writing

现在分词的构成 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。 put-putting, run-running, sit-sitting, swim-swimming

现在分词的构成 如果动词有两个音节,且重音在第二个音节上,则末尾的辅音字母须双写,再加-ing。 for’get-forgetting 以 -ic 结尾的动词,应先把 -ic 变为 -ick,再加 -ing,eg。 picnic-picnicking 特殊变化要记住． lie-lying, die-dying, tie-tying

eat swim ski dance stop begin get shop bring --- eating --- swimming --- skiing --- dancing --- stopping --- beginning --- getting --- shopping --- bringing

The boys are playing football. 主语+be+v.ing(现在分词) I am working on the farm. The bus is coming. The boys are playing football.

主语+be+v.ing(现在分词) 第一人称单数 I+am+doing+Sth. 第一人称复数 We+are+doing +Sth. 第二人称单(复)数 You+are+doing+Sth. 第三人称单数 He / She / it+is+doing+Sth. 第三人称复数 They+are+doing +Sth.

现在进行时 Goofy’s running. He’s running slowly. Goofy’s walking. Goofy’s jumping.

主语+be+v.ing(现在分词) 第一人称单数 I+am+doing+Sth. 第一人称复数 We+are+doing +Sth. 第二人称单(复)数 You+are+doing+Sth. 第三人称单数 He / She / it+is+doing+Sth. 第三人称复数 They+are+doing +Sth.

现在进行时 现在进行时的概念 现在进行时的用法 现在分词的构成 现在进行时的句型结构

现在进行时的用法 表示现在( 指说话人说话时) 正在发生的事情或动作． 表示现阶段一段时间内在做的事，此刻动作不一定正在进行。 现在进行时也可以表示将要发生的动作。

现在分词的构成 大多数动词可在动词后直接加-ing。 如果动词以-e结尾,则去掉-e,再加-ing。

主语+be+v.ing(现在分词) 第一人称单数 I+am+doing+Sth. 第一人称复数 We+are+doing +Sth. 第二人称单(复)数 You+are+doing+Sth. 第三人称单数 He / She / it+is+doing+Sth. 第三人称复数 They+are+doing +Sth.

现在进行时(二)

现在进行时 现在进行时的概念 现在进行时的用法 现在分词的构成 现在进行时的句型结构

现在进行时的句型变换 They are writing . 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 .

现在进行时的句型变换 现在进行时的否定形式 主语+be(am/ is/are)+not +doing+其他 成分 I am not singing . They are not / (aren’t) writing .

现在进行时的句型变换 一般疑问句及回答 be(am/ is/are) + 主语+doing+其他成分 Am I singing ? Yes ,you are . No ,you aren’t . Are they writing ? Yes ,they are . No ,they aren’t .

现在进行时的句型变换 特殊疑问句及回答 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).

Tom is making some cakes now. My sister is having lunch in the classroom now. They are cleaning the desks now.

Tom is making some cakes now. Tom isn’t making any cakes now. Is Tom making any cakes now? Yes, he is. No, he isn’t. What is Tom doing now?

My sister is having lunch in the classroom now. My sister isn’t having lunch in the classroom now. Is your sister having lunch in the classroom now? Yes, she is. No, she isn’t. Where is your sister having lunch now?

They are cleaning the desks now. They aren’t cleaning the desks now. Are they cleaning the desks now? Yes, they are. No, they aren’t. Who is cleaning the desks now?

Tom is making some cakes now. My sister is having lunch in the classroom now. They are cleaning the desks now.

现在进行时的标志 一般情况下，句首或句末出现now。 句首有表示具体时间的句子。 句首出现look或者listen. 还有一些句子，需要凭自己的语感。

现在进行时 The children are sleeping now. Shall we go to school now? Let’s go to the park now.

现在进行时的标志 句首有表示具体时间的句子。 It’s half past six. Mike is brushing his teeth now.

现在进行时的标志 Listen! Sam is playing the piano. 句首出现look或者listen. Look! That girl is readin a book. Listen! Sam is playing the piano.

现在进行时的标志 还有一些句子，需要凭自己的语感。

are playing are flying are singing are having are swimming 1. We___________(play) football now. 2. Look! These butterflies _________ (fly) in the sky. 3. Listen! The girl ___________ (sing) in the next room. 4. It’s  5  o’clock now. We __________(have) supper now. 5. Jack and Ketty______________ in the lake. Let’s join them. (swim) are playing are flying are singing are having are swimming

主语在句首，am/is/are跟在后。 现在分词跟着走，其它成分不可丢。 表示动作正进行，句中now把时态定。 一般疑问句这样变，把be提到主语前。 否定句也简单，被后再把not添。