现在进行时的讲解和练习.doc

现在进行时 1、概述现在进行时表示现在或现阶段正在进行或发生的动作或存在的状态。- Is this raincoat yours? 这件雨衣是你的吗？- No, mine is hanging there behind the door. 不是，我的在门后边挂着。I dont really work here; I am just helping out until the new secretary arrives. 我其实不在这上班；我只是暂时在这帮忙，一直帮到来了新秘书。2、构成现在进行时由“助动词be（is/am/are）+ v-ing”构成。I am looking for a pair of black shoes.我正在找双黑色的鞋。He is picking the apples on that tree.他正在摘那棵树上的苹果。They are working in a factory these days.他们这几天在工厂劳动。What are you doing here? 你在这干什么呢？3V-ing 的规则1） 一般情况下，直接加ing, 例如 buy_, find_, meet_2） 一不发音的e结尾的动词，去掉e再加ing, 例如continue_,use_, ride_3) 以重读闭音节结尾，末尾只有一个辅音字母的动词，要双写辅音字母，再加ing, 如begin _， put_, occur_, prefer_, refer_4) 少数以ie 结尾的动词，先变ie为y, 再加ing, 如die_, lie_, tie_5) 以oe, ee, ye结尾的动词，直接加ing,如 see_, agree_, flee_,4、现在进行时的用法（1）表示说话人说话时正在进行的动作，它不涉及该动作的发生和结果，译成汉语“正在”，这一用法常和表示此刻的时间状语连用，如now, at this time, at present，at the moment等。Im doing my homework now. 我现在正在做作业。Its raining hard.天正在下雨。-What are you doing? 你在干什么？-Im doing some washing.我在洗衣服。（2）表示现阶段但并非眼下正在进行着的动作，这种动作常与表示一段的时间状语连用，如these days , this week等。Selecting a mobile phone for personal use is no easy task because technology is changing so rapidly. 因科技在不断变化，所以选择个人使用的移动电话并不是一件容易事。The foreign guests are visiting Beijing this week.本周那些外国客人在参观北京。He is writing a novel now.目前他在写一本小说。He is learning English at college.他在大学学英语。（3）表示将来的动作表示某个按最近的计划或安排将要进行的动作，或即将开始或进行的动作。常用的这类词go, come, leave, stay, start, arrive, land, meet, move, return, stay, stop, do, dine等，通常要与表示将来的时间状语连用，以区别此刻正在进行的动作。He is coming to see you tomorrow.他明天要来看你。His sister is leaving for Hong Kong tomorrow.他姐姐明天动身去香港。Theyre flying to Beijing tomorrow.他们明天飞往北京。（4）表达褒贬等感情色彩和always ,forever, continually, constantly, instantly, continuously等频度副词连用，表示经常、反复发生的动作，不强调动作的进行性。表达厌烦、愤怒、抱怨、赞扬等情感。He is constantly leaving his things about.他时常乱丢东西。（表责怪）She is always changing her clothes.她老是换衣服。（表责怪）He is always working hard.他总是学习很用功。（表赞赏）Theyre forever quarrelling about something.他们老是为某件事争吵。(不满)（5）表示刚刚过去的动作。这一用法不强调动作的进行性。Do you hear what hes saying, mother? 妈妈，你听见他说的了吗？Every word Im telling you is true.我告诉你的每一句话都是真的。（6）描写一种状态，具有感情色彩I am missing you dreadfully.我非常想念你。My head is splitting.我头痛欲裂。He is playing us a trick. 他在耍我们呢。How fast he is forgetting his shame.他多么快就忘了他的耻辱！（7）表示较为温和的命令通常只一次性动作。You are sitting over there.你到那边去坐。Dont stand idle. You are helping her a little.不要闲着，你要帮她一下。（8）wonder, hope, think 等表示心理的动词用于进行时可以表示婉转的语气Im wondering if I may come a little late.我在想我能不能晚来一会儿。Im hoping youll give us some suggestions.我很希望你给我们一些建议。 Practice一、写出下列动词的现在分词：play_ run_ swim_ make_ go_ like_write_ski_ read_have_sing_dance_put_see_buy_love_ live_ take_come_get_stop_sit_begin_shop_二、用所给的动词的正确形式填空：1.The boy _ ( draw)a picture now.2. Listen .Some girls _( sing)in the classroom .3. My mother _ ( cook )some nice food now.4. What _ you _ ( do ) now?5. Look . They _( have) an English lesson .6.They _(not ,water) the flowers now.7.Look! the girls _(dance )in the classroom .8.What is our granddaughter doing?She _(listen ) to music.9. Its 5 oclock now. We _(have)supper now10._Helen_(wash )clothes? Yes ,she is三、句型转换：1. They are doing housework .(分别改成一般疑问句和否定句)_2The students are cleaning the classroom . ( 改一般疑问句并作肯定和否定回答)_ _3Im playing the football in the playground .(改