一般現(xiàn)在時結(jié)構(gòu)

1、一、定義與講解一般現(xiàn)在時：表示經(jīng)常性的事情，經(jīng)常性的動作或一般性事實。時間狀語：often經(jīng)常，usually通常，always總是，every每個， sometimes有時，at在幾點鐘只有在第三人稱單數(shù)用動詞的“三單變化”，其他用動詞的原形。she/ he /it + 動詞 S/ES,We/ they/ I/ you+動詞原形三單變化：1.多數(shù)在動詞后+splay plays like likesask-askswork-works get-getsstay-stays以字母s, x, ch, sh或o結(jié)尾的動詞，在詞尾直接加-es.watch-watches wish-wishes fi

2、x-fixesdo-doesgo-goespass-passes以“輔音字母加-y”結(jié)尾的動詞，要先變y為i再加-es.try-triesstudy-studies cry-cries fly-flies.不規(guī)貝U變化：be- is are have-has二、一般現(xiàn)在時用法表示經(jīng)常性，習(xí)慣性,永久性的動作或存在的狀態(tài)通常與副詞sometimes, often, usually, always, every day (year, mon th ), once (twice, three times) a day等 時間 狀語連用。They usually go to school by bik

3、e.I take the medic ine three times a day.She helps her mother once a week.Marys father is a policema n.There are 50 stude nts in my class.表示客觀真理，科學(xué)原理，自然現(xiàn)象，等客觀事實或格言，諺語等。The sun rises in the east and sets in the west every day.The man who has n ever bee n to the Great Wall is not a real man. Tomorrow

4、is Tuesday.3 表將來，(將來發(fā)生的這件事是在日程表中一定會發(fā)生時)例如：The plane takes off at 4:30.(當(dāng)用于 if, when 等狀語從句，主句將來時，從句現(xiàn)在時，現(xiàn)在表將來。)例如：If you study hard, you will succeed.三、一般現(xiàn)在時的句子轉(zhuǎn)換：(1)當(dāng)句子中有be動詞或情態(tài)動詞時，則把be動詞或情態(tài)動詞(can,could等等) 提到主語的前面變成疑問句;在be動詞或情態(tài)動詞后面加not變成否定句.例：陳述句：She is a student.疑問句f Is she a stude nt?否定句 f She is n

5、ot a stude nt.陳述句：I can swim.疑問句f Can you swim否定句 f I can not swim.（2）當(dāng)句子中即沒有be動詞，也沒有情態(tài)動詞時，則在主語前加助動詞do （you,以及復(fù)數(shù)），does（單數(shù)she,he,it）變成問句；在主語后謂語動詞前加助動 詞dont（I,you,以及復(fù)數(shù)），does nt （單數(shù)she,he,it）變成否定句，助動詞后的動 詞要變成動詞原形。例：陳述句：We get up at 7:00 every morning.疑問句Do you get up at 7:00 every morni ng? 否定句We dont

6、get up at 7:00 every morning.陳述句：She has a little brother. 疑問句Does she have a little brother?否定句f She doesn t have a little bro ther這輛車是你的嗎？我沒車。你有車嗎？他有車。她住在市南。他在市區(qū)上班，但他住在郊區(qū)。他在哪上班？你有空的時候都做些什么？我每天坐公車去上班。你姐姐是怎樣去上班的？你現(xiàn)在在家嗎？你家離學(xué)校近嗎？你什么時候?qū)W英語？你每天都加班嗎？你經(jīng)常幾點吃早餐？你父母晚上幾點睡覺？17. 你喝咖啡嗎？我不喜歡看電視。我姐姐很喜歡游泳。你和家人一起住嗎？21. 我一個人住。22. 我每天走路去上班。Do you often play football after school?（肯定回答）I have many books.（改為否定句）Gao Sha ns sister likes playi ng table tennis （改為否定句）She lives in a small town near New York.（改為一般疑問句）I watch T