正在进行时的用法有哪些
\u82f1\u8bed\u6b63\u5728\u8fdb\u884c\u65f6\u7528\u6cd5\u4f60\u95ee\u7684\u662f\u73b0\u5728\u5206\u8bcd\u5982\u4f55\u52a0-ing
1.\u4e00\u822c\u76f4\u63a5\u52a0ing
\u5982\uff1a
cleaning, doing
2. \u91cd\u8bfb\u95ed\u97f3\u8282\uff0c\u4e00\u4e2a\u8f85\u97f3\u5b57\u6bcd\u7ed3\u5c3e\uff0c\u53cc\u5b9a\u8fd9\u4e2a\u8f85\u97f3\u5b57\u6bcd\uff0c\u518d\u52a0ing
\u5982\uff1a
putting, setting, running
3. \u5143\u97f3\u5b57\u6bcd+\u8f85\u97f3\u5b57\u6bcd+\u4e0d\u53d1\u97f3\u7684e\u7ed3\u5c3e\uff0c\u53bb\u6389e\uff0c\u518d\u52a0ing
\u5982
skate\u2014\u2014skating; leave\u2014\u2014leaving
4. \u7279\u4f8b\uff1a
die\u2014\u2014dying
lie\u2014\u2014lying
+ing enjoying
现在进行时（present continuous tense）精讲
1、现在进行时的定义：表示说话时刻正在进行的动作或目前这个阶段正在进行的动作。
2、现在进行时的构成：主语+am/is/are+ V-ing(动词现在分词形式)
例句：
I am watching TV now.我现在正在看电视。
Look！Jackson is playing basketball on the playground.看！杰克逊正在操场上打篮球。
The teachers are reading books in the office at present.现在老师们正在办公室读书。
3、现在进行时的标志词（见到这些词，都要用现在进行时）：look 看，listen 听，now 现在，at this moment 此刻，at present 目前，this week 本周，today 今天，these days 这几天。
例句：
Listen，the girl is playing the piano.听，那个女孩正在弹钢琴。
She is always sleeping these days，maybe she is ill.她这几天总是睡着，也许她生病了。
The boys are playing ball games this week because they do not have to go to school.男孩们本周一直在打球，因为他们不必上学。
4、现在分词V-ing的变化规律：
（1）一般在情况下，在动词词尾直接加-ing。
go—going play—playing know—knowing
（2）以不发音的字母e结尾动词，先去e再加-ing。
make—making arrive—arriving come—coming
（3）以重读闭音节结尾，且动词词尾只有一个辅音字母时，先双写这个辅音字母，再加-ing。
run—running stop—stopping swim—swimming put—putting sit—sitting begin—beginning
plan—planning cut—cutting get—getting shop—shopping chat—chatting regret—regretting dig—digging
（4）少数以-ie结尾，先将-ie改成y，再加-ing。
tie—tying die—dying lie—lying
5、现在进行时的用法
（1）表示说话时正在进行的动作
The telephone is ringing. Would you answer it, please? 电话正在响,你能否接一下?
Now watch carefully and see what is happening in the experiment.现在仔细观察,看在实验中发生着什么现象。
（2）表示现阶段正在进行的动作，虽然此时此刻动作不一定正在进行
George is working on a new book about stories in schools.乔治在写一本关于校园故事的新书。
I am now visiting Guangzhou this week.我本周正在游览广州。
（3）表示此时此刻某一动作不断地重复
The boy is jumping with great joy at the sight of toys一看到玩具,小男孩高兴得不停地跳。
（4）表示将要发生的动作
有些动词,主要是非延续性动词，如arrive, come, go, leave等常用现在进行时表示按计划或打算将要做的事情。
We are leaving for Germany next week.下周我们将出发去德国。
Are you staying in Guangzhou for a week? 你打算在广州待一周吗?
（5）在时间或条件状语从句中代替将来进行时
If I am sleeping when he comes, wake me up, please,他来时如果我在睡觉,请叫醒我。
（6）与副词 always、usually、forever等连用,表达说话者的某种感情或对某一心理的描述
She is always thinking of others.她总是为别人着想。(赞扬)
Why are you always coming late for class? 你为什么总是上课迟到?(批评)
现在进行时
1.概念：表示现阶段或说话时正在进行的动作及行为。
2.时间状语：now, at this time, days, etc. look . listen(进行时的一般标志)
3.基本结构：be+doing He is doing his homework now.
4.否定形式：be+not+doing. He is not doing his homework now.
5.一般疑问句：把be动词放于句首。Is he doing his homework now.
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绛旓細楂樿冭嫳璇娉曪細鐜板湪杩涜鏃剁殑鐢ㄦ硶 1. 鐜板湪杩涜鏃剁殑鍩烘湰鐢ㄦ硶 鐜板湪杩涜鏃朵富瑕佽〃绀鸿璇濅汉鐨勮璇濇椂鍒姝ｅ湪杩涜鐨勫姩浣溿佷笉鏂噸澶嶇殑鍔ㄤ綔鎴栫洰鍓嶈繖涓樁娈(涓嶄竴瀹氭槸璇磋瘽鏃跺埢)姝ｅ湪杩涜鐨勫姩浣溿傚锛歐e鈥檙e having a meeting. 鎴戜滑鍦ㄥ紑浼氥(璇磋瘽鏃舵鍦ㄨ繘琛岀殑鍔ㄤ綔)Be quiet! The baby is sleeping. 瀹夐潤锛屽瀛愬湪鐫¤銆
