现在进行时变化规则-1教学内容.doc

现在进行时变化规则_1精品资料现在进行时变化规则一、现在进行时的含义现在进行时是由“助动词be(am, is, are)+动词-ing”构成，表示说话者“此刻”或现阶段的行为。二、现在进行时的基本结构1. 肯定句：主语+be(am, is, are)+现在分词+ 例如：I am speaking with him on the phone. 我正和他通电话。He is playing tennis. 他正在打网球。 My parents are dancing. 我父母正在跳舞。2. 否定句：主语+be not+现在分词+ 例如：I'm not studying. 我没在学习。 She is not reading now. 现在她不是在看书。They are not writing. 他们没在写。3. 一般疑问句：Be动词+主语+现在分词+? 例如：(1)- Is she still helping Li Ling?她还在帮助李玲吗?- Yes, she is. 是的。/No, she isn't. 不，她没在帮李玲。(2)- Are you listening to music? 你正在听音乐吗?- Yes, I am. 是的。/No, I'm not. 不，我没有听音乐。4.特殊疑问句：特殊疑问词+be动词+主语+现在分词+? 例如：- What are you studying? 你正在学什么?- I'm studying English. 我在学英语。- What is Mike doing? 迈克在做什么?-He is watching the football match. 他在看足球比赛。三、 现在分词的变化规则1. 一般在动词末尾加ing,如： think-thinking go-going2. 以不发音字母e结尾的动词，先去掉e,再加ing，如：come-coming make-making3. 以重读闭音节结尾的动词，中间只有一个元音字母，词尾只有一个辅音字母，应双写末尾的辅音字母，再加ing, 如： put-putting run-running1. 强调结构的陈述式强调结构的陈述式为“It is (was) + 被强调部分 + that (who)”。该结构可用于强调主语、宾语、状语等，但不能强调谓语动词。该句式中用that或who的区别是：当被强调的指人时，用that或who均可;当被强调的不是指人时，则只能用that(注意不用which)。如：It was in the office that he was killed. 他是办公室被杀害的。(强调in the office)It is the children who broke the window. 是孩子们打破窗户的。(强调the children)It was to you and not anyone else that I lent the money. 我只借钱给你，不借给其他人。(强调to you and not anyone)It is only when you have your own children that you realize the troubles of parenthood. 当你有了自己的孩子，才能真切地了解到双亲的辛苦。(强调only when you have your own children)2. 一般疑问句的强调结构一般疑问句的强调结构就是将be提到句首，即使用“Is / Was it+ 被强调部分 + that / who”。如：Is it Tommy who answered the telephone? 是汤米接的电话吗? Is it from advertising that a newspaper earns a lot of its profits? 报纸获利最多的部分是在于广告收入吗?3. 特殊疑问句的强调结构特殊疑问句的强调结构句型为“疑问词(Who / What / When / Where / Why / How)+is / was it that”这样的形式。如：When was it that he got married? 他是什么时候结婚的? How long ago is it that you last saw her? 你上一次看见她是多久以前的事? Who was it that won the World Cup in 1982? 谁赢得了1982年的世界杯? Why is it that I always land up cleaning the bath? 为什么总是该我来洗刷浴缸? In which play of Shakespeare's is it that Viola appears? 维欧拉是在莎士比亚那个剧里出现的吗?仅供学习与交流，如有侵权请联系网站删除 谢谢3