一般现在时和现在实行时的区别
一、概念不同：
一般现在时表示主语 经常性和习惯性 的动作或存有的状态，也表示说话者的 水平及自然现象。而现在实行时表示 说话时（瞬间）正在实行的动作 ，也表示 当前或现阶段一直实行的动作。如：
She often does her homework in the evening. 修变频器她经常在晚上做作业。
She is doing her homework now. 现在她正在做作业。
二、在构成方式上的不同：
一般现在时中谓语动词的构成有以下三种情况：
1be动词的一般现在时形式：am , is , are.
2动词 have 的一般现在时形式： have ， has.
3其他行为动词的一般现在时形式有 动词原形或第三人称单数形式 。
而现在实行时中谓语动词的构成是： am/is/are+ 动词的 -ing 形式（现在分词）。
三、 时间状语不同：
一般现在时的时间状语主要有： always ， usually ， often ， sometimes ， never ， every day ， on Sundays ， in the morning/afternoon/evening 等；
现在实行时的时间状语主要有： now，the days ，this week 飞速电影网，at the moment 等，有时句首有“Look! ”、 “Listen! ”或“It '时刻”等词、句存有。女口：
We play football in the afternoon. 我们在下午踢足球。（一般现在时）
My mother is reading a newspaper now. 我妈妈正在看报纸。（现在实行 时）
四、 感情色彩不同：
一般现在时往往 不带任何感情色彩 ，语气比较肯定。现在实行时常 带有一定 的感情色彩，并 多与 always ， 关于学习的词语often 等副词连用。如：
魔术教学
Mr. Li works hard in the factory. 李先生在工厂工作努力。（说明事实，语
气比较肯定）
李先生在工厂工作一直很努
Mr. Li is always working hard in the factory. 力。（表示赞扬）五、用语范围不同 ：
某种表示情感、意识 （如 want ，like ，know 等）；表示“有”的 have 等动词， 一般不用于现在实行时，但可用于一般现在时。如：
我现在就想回家。
少林寺院
误： I am wanting to go home now.
正： I want to go home now.
他有一台电脑。
误：He is having a computer.
鱿鱼须的做法大全正： He has a computer.
六、时间范围不同：
这两种时态所表示的时间范围都可能有 “过去——现在——将来 ”的意味，但 相对来说，一般现在时持续的时间较长，甚至无限。而现在实行时持续的时间 较短，可能片刻完成。如：
She comes from Shanghai. 她是上海人。
She is coming from Shanghai. 她正从（或即将从）上海来。
1.Wh<» over lliurc now?
A. singing B. are sing C. is singing D, sing
2.It s eight o'clock・ The students __ an English class.
A. have B. having C. is having D. arc having
3.Listen! The baby m the next roum
A. crying FL cried C. is crying D. cries
4.LtKik! The twins new sweaters.
A. are wearing B. wearing C, are wear D. is wearing
5.Don't talk here. Grandparents 「
A. is sleeping A. are sleeping C, sleeping D. sleep
6.in a hospital
Tom is a worker. He in a factory. His sisters A. worL work wt^rks. work C. work/ works
7.Whu English best in yemr ckiss?
A. speuk Bt speaks C. speaking
8.Mrs Read the windows every day.
A. is cleaning B. clean C. cleans
9.Wc music and o lien to music.
A. like.* listen B. Iikes«; listens C\ like/ are listening
10.She up six in ihq nnvrning.
A. get D. gets C・ getting
11. On Sunday he someti nws his clothes and sometimes some sho
A. wash/ d(i Fl. is washing* is doing C. washed docs
12.The twins usually milk and bread for breaktast, but Jim some(
tor it.
have have have/ has Ct has； hiivr
二、填空，
1.My lather always (come)back irom work very laic.
2.The teacher is Ixuy. Ik isleep) six hours a day<
3.上艮下震Listen! Joan (singl in the chssrouni. She often (sing)
4.your brother (know) Japane?
5.Where you (have) lunch every day?
6.The girl (like) wearing a skirt. Look! She (wear) a red skirt i
7.What ar© you (do) now? I (eat) bread,
& fs nine orclocK. My father (work) in the office.
9.Look, the boy (put) the rubbish into the bin.
10.ha (cleani the classroom? No. he isn1!. He Ji
11.Where is Mak? He (run) on the grass.
12.Listen, who (sing, in the music room? Oh, Mary (sing
13.She is (walk, walking) now.
14.Mother is (feed, feeding} birds.
15.They are (sitting, sibng} on the chair.
16.Cindy is (watch, watching) TV.
17 Joe is (jogging, jogmg) in the garden.
18. Look. Nick is (ooming. come).
