I am writing a letter . Will you please turn down the radio ?
Watch out (当心) ! It\'s falling .
Look ! The clouds are gathering .
Look at this picture of a busy railway station . A train is standing at one of the platforms ready to leave . Some of thepassengers are looking out of the windows watching the late-comers who are hurrying along looking for empty seats .
We are busy at the moment . I\'m selling cigarettes . My father is selling some sweets .
2、表示现阶段正在进行而此刻不一定在进行的动作。可和时间状语 now , these days 等连用。
She is studying law while her brother is studying medicine .
Is my daughter working hard in the factory , Manager Wang ?
How are you getting along / on with your studies ?
I usually get up at eight , but I\'m getting up at six every day this week .
3、表示按计划、安排将要发生的动作。
We are going to Rome next week .
Mr Black is leaving for Shanghai in a few days .
Are you doing anything special tonight ?
4、用在时间和条件状语从句中表达将来正进行的动作。
I\'ll telephone you this afternoon while I\'m waiting .
I\'ll think about it while you are writing the report .
When you are talking with him , take care not to mention this .
If you are standing at the corner when I pass , I\'ll give you a lift into town .
5、现在进行时和动词 hope , wonder 连用表示婉转的口气。
I am hoping you\'ll give me some advice .
I\'m wondering if I may have a word with you .
We are wondering if you have any suggestion .
6、现在进行时与 always , continually , constantly 等副词连用表示反复或者习惯性的动作，含有说话人的某种感情色彩，如赞扬、遗憾、讨厌、不满等。
He is always asking such easy questions .
He is constantly leaving his books about .
7、少数动词，如jump , hit , kick , knock , drop 等瞬间动词用进行时比动作的重复或者即将发生。
He is knocking at the door .
The girls are jumping .
● 一般现在时和现在进行时的 6 个区别点
区别点一：一般现在时表示经常性的动作，而现在进行时表达现在或者现阶段正发生的动作。
He studies hard .
He is studying hard this term .
My watch works perfectly . (经常性)
My watch is working perfectly . (短暂性)
He lives in Beijing .
He is living in Beijing .
区别点二：用现在进行时往往带有感情色彩，而用一般现在时只是说明事实。
John does fine work at school . （说明事实）
John is doing fine at school . （表扬）
Now I live in a very pleasant flat . （事实）
Now I am living in a very pleasant flat . （满意）
现在进行时表达感情色彩时常和always , forever , constantly 等连用。
He is always thinking of how he could do more for the poor .
She is always changing her clothes .
区别点三：一般现在时表示现在发生的动作，现在进行时表示眼前看得见的动作。
Boats pass under the bridge .
The boat is passing under the bridge .
区别点四：一般现在时用来表示永久的情况或者完成的动作，现在进行时表示的暂时或临时性动作。
My parents lives in Canada .
I\'m staying with one of my classmates .
区别点五：表示知觉、感觉、看法、感情、愿望的动词常不用现在进行时而用一般现在时。如：see , hear , smell , notice , taste , know , think , like , want , wish , have , fit , belong to 。
The necklace belongs to Jenny .