1、添加微信：car4900，免费领小学资料第14讲 复习检测介词表示时间的介词，叫做时间介词。常见的有：at in on1) in , on，at 在时 2)in表示较长时间，如世纪、朝代、时代、年、季节、月及一般（非特指）的早、中、晚等。 如 in the 20th century(在20世纪), in 1989（在1989年）, in summer（在夏天）, in January（在一月）, in the morning（在早上）等。 3)on表示具体某一天及其早、中、晚。 如on May 1st（在五月1日）, on Monday（在星期一）, on New Years Day（在新年那
2、天）, on a cold night （在一个寒冷的夜里）, on a fine morning（在一个美好的早上）, on Sunday afternoon（在一个星期日的下午）等。 4)at表示某一时刻或较短暂的时间，或泛指圣诞节，复活节等。 如at 3:20（在3点20）, at this time of year（在一年的这个时候）, at Christmas（在圣诞节）， at night（在夜里）, at noon（在中午）, 等。 5)注意：在last, next, this, that, some, every 等词之前一律不用介词。如：We meet every day.
3、口诀： 早、午、晚要用in，at黎明、午夜、时间前. 年、月、季节、周，阳光、灯、影、衣、帽in。 将来时态in.以后，小处at大处in。This、that、tomorrow，yesterday，next、last、one。 接年、月、季、星期、周，介词省略已习惯。 （划线部分重点记）方位介词方位介词表示物体所在的位置，常用的地点介词有：in, on, under, near, next to1. in表示在.内部；在.里面的意思。如： Wheres the pencil?（我的铅笔在哪？）Its in the pencil case.(它在文具盒里。)2. on表示在某物的上面，但两者互相接
4、触。如： My books are on that table. 我的书在那张桌子上。3. under表示在某物垂直的正下方，两者之间不接触。如： My cat is under my chair. 我的猫在我的椅子下。4. near表示在某物体的附近，意为接近、靠近。如： The ball is near the door. 球在门旁边。5.next to表示“挨着.在.旁边”。如： The sofa is next to the chair .沙发在那把椅子旁边。口诀：里面in，上面on，Under under在下方，Near near在附近 next to next to 紧挨着注意：苹
5、果长在树上用介词on-The apple is on the tree. 鸟落在树上用介词in- The bird is in the tree.一般现在时及动词单三一、 一般现在时概念：一般现在时是表示经常发生的动作或存在的状态。如：She is a gril. He is a boy. It is a mouse. Ian is a bird.二、第三人称：她、他、它、某人 = 第三人称 She 、he、it、sb= The third person 三、一般现在时的形式：（1）主语+be（am. is. are）+其他（2）主语+动词的第三人称单数形式+其他如：Lucy gets up
6、at half past six. She does her homework at six oclock. 三、动词单三的变化规则：（1） 直接+“s”例：listen listens paly plays（2） 以s,o , x, ch, sh结尾的动词，+“es” 例：pass passes fix fixes go goes teach teaches wash washes（3） 以“辅音字母+y”结尾的动词，变y为i再+”es”例：study studies fly flies（4） 以“元音字母+y”结尾的动词，直接加es”例：play plays pay pays现在进行时一般
7、现在进行时的构成是: 主语 + be动词 + Ving可用来表示现在进行时的时间状语，常用的有：now, at this moment 等；或者告诉你一个准确的现在时间，或者用look, listen, dont等提醒听者注意正在发生的事。例如： They are playing basketball now.现在他们正在打篮球。 Listen, a boy is crying. 听，一个男孩正在哭。Dont run, the baby is sleeping. 不要跑，婴孩正在睡觉。be的变化在现在时中，be 要根据人称代词和名词的单复数不同，而分别使用am/is/are，即：I 用am,
8、he/she/it (包括单数名词和不可数名词) 用is, you/we/they (包括复数名词)用are.第一人称单数 I+am+v.ing 第一人称复数 We+are+v.ing. 第二人称单(复)数 You+are+v.ing 第三人称单数 He（She，It，Bob）+is+v.ing 第三人称复数 They+are+v.ing 注意：be 动词在现在时里算作“助动词”，翻译正在进行时的时候，be不能解释为“是”，否则不通顺。它只是和现在分词一起构成“进行时”。现在分词是在动词后加上ing 构成。如:starting, working, coming, sitting 等都是现在分词
9、。现在分词的变化规则如下：(1)直接在动词后加ing. 例如：go-going, start-starting, work-working, look-looking. (2)去掉词尾不发音的e，再加ing. 例如： dance-dancing, make-making, come-coming, write-writing. 注意：如果单词结尾的e发音，则不能去掉，也直接加ing. 例如：see -seeing (3) 对于重读闭音节词，双写末尾字母再加ing. 例如：sit-sitting, swim-swimming, get-getting, put-putting. 这一条规律，必须
10、要弄清什么是“重读闭音节”。 1单音节词一般为单词结尾为“辅音字母+元音字母+辅音字母”简称“辅元辅”结构，例如：run running, stop stopping, cut cutting, skip skippingswim swimming, get getting等。 2 特殊记忆：例如：open opening listen listening 定句现在进行时的否定句式是在be动词（am，is， are）后加not.即： 1. I am not (am not不能缩写) 例如： I am dancing. I am not dancing. 1. is not = isnt例如：
11、Look! Peter is sleeping. Look! Peter is not sleeping.Look! Peter isnt sleeping. 2. are not= arent例如： Listen! They are singing. Listen! They are not singing. Listen! They arent singing. 口诀： 否定句的标志 NOT , 在哪否？ Be动词，后面否。一般疑问句一般疑问句是将be移到主语前面，句末加问号，读升调。例如： It is raining now. is It raining now? Is it raini
12、ng now? 一般疑问句在现在进行时的练习：将现在进行时的陈述句改成一般疑问句步骤：1 找 is， are找到后将其提前。（1提）2 将提至句首的is或are变大写，原来大写的首字母变小写，其他单词位置不动。（2变）3 句尾加问号？（3问号）4 如果遇到句子中是I am . 一般会直接改为Are you? (依据上下文和句子情景而定，也有Am I ? 的时候。)例如：I am playing basketball now. Are you playing basketball now? 肯定回答及否定回答：确定主语人称，根据人称选择be动词Is .? Yes, is. No, isnt.例如
13、： Is she cooking now? Yes, she is. /No, she isnt. Are? Yes, are. No, arent.Are you? Yes, I am/we are. No, Im not. /we arent. 例如： Are you cooking now? Yes, I am./we are. No, Im not. / we arent.现在进行时与一般现在时的区别1 基本用法不同一般现在时用来表示习惯性的动作或状态。如：She goes to school by bike every day.她每天骑自行车去上学。现在进行时用来表示现在(说话的瞬间
14、)正在发生或进行的动作或者用来表示现阶段正在进行或存在的状态。如：Look ! She is reading under the tree.瞧！她正在树下看书。2. 谓语动词的形式不同一般现在时的谓语动词：1) be动词用am/is/are这三种形式； She is a teacher. I am a teacher. They are teachers. 2) 实义动词用动词原形或第三人称单数形式(根据主语数的变化而变化)。 I speak English in the English class. He speaks English in the English class. We go
15、to school at seven in the morning.现在进行时谓语动词的形式为： am / is / are+动词-ing 形式。如： I am reading English now. 我现在正在读英语。 We are having dinner now. 3）时间状语不同一般现在时常与often, sometimes, always, usually等频率副词连用，还与 every morning /day / week., on Wednesday, in the morning / afternoon / evening等时间状语连用例如： I get up at 7
16、oclock everyday. We usually play some sports after school. 现在进行时常与now, Look ! / Listen !等提示语时，后面的句子中动词一般用现在进行时。例如： Listen！My sister is singing in the room1 复习介词的用法，学生对于常见介词要会准确使用 2 现在进行时，一般现在时的意义，结构，动词变化，以及两者中的联系要掌握 3 句式变化一 用 in，on， at 填空1.The bird is _the tree . 2.The apples arethe tree. 3 We have
17、lunch _noon. 4I watch TV play _ Friday evening 二 写出下列动词的现在分词形式：write - _ come - _ hop - _ swim - _sit - _ lie - _三用现在进行时完成下列句子:Myparents_ _（watch）TVnow.Look.Threeboys _ _（run） 四 单选. Are there _ houses near the river? Yes, there are . A. some, some B. any, some C. any, any D. some, any 五 句式变化 1. Ther
18、e is a woman near the house.（变复数） 2. There are some buses near the hill.（变单数）3 She can play volleyball. （改为否定句）A一选择填空：( ) 1. She is _lunch now. A. has B. haveing C. having ( ) 2.They are _in the pool.A. swimming B. swim C. swiming ( ) 3.Are you _to me?A. listen B. listening C. listenning ( ) 4.Where
19、 is Peter? Look! He is _the flower.A. pickking B. picking C. pick( ) 5.My parents _ _dinner. A. is cooking B. are cook C. are cooking 二用现在进行时完成下列句子:1.What_you_(do)?2.I_ _(sing) an English song.3.What_he_(make)?4.He_ _(drive) a car.5.We_ _(play) games now. 6.Myparents_ _（watch）TVnow.7.Look.Threeboys
20、_ _（run）.8.What_yourmother _（do）now?9. Are yourdogs_now?（sleep）10. _you_（listen）tothe music?Yes,IamB三 用 at ,in, on 填空1 They have a PE lesson _Monday. 2 Classes begin _8：00. 3 We have four lessons _ the morning. 4 My sister play basketball_ half past four _ the afternoon. 5 My parents get up _ six th
21、irty every morning. 6 His brother gets lots of presents _his birthday. 7 Flowers come out _ spring. 8 She is afraid of going out _night.四.选择填空：1. Are there any maps on the wall? _ A. There are some. B. Yes, there is. C. Yes, there is one. D. No, there arent. 2. How many _ are there in the picture? _
22、A. woman B. women C. buy D. milk3. There arent _ trees near the house. There is only one. _A. any B. some C. many D. much4. There _ two bowls of rice on the table. _A. is B. have C. has D. are五.句型转换：1. There are some apples on the tree.（变一般问句） 2. There are some orange in the glass.（变否定句）3. Is there
23、a baby in the room?（变复数）C六 选择适当的介词填空 in on 1.Look ,the picture is _the wall .2.The window is _the wall .3.The peaches are _the tree .4.The bird is _the tree .5.The apples arethe tree.七. 根据汉语翻译句子 1 他的父母三点三十分上班。 His parents go to work _ _ _ 2 一周有七天 There are seven days _a week. 3 他的生日在十月一日 His birthda
24、y is _ the first of October. 4 他们在周六晚上看电影 They go to the cinema _ Saturday afternoon. 5不要在下雨的夜晚出去 Dont go out _ a rainy evening.一. 选择方位介词( )1.Wheres the ball?-Itsthe box. A. onB. inC. under( )2. Wheres the ball? -Itsthe box. A. onB. inC. under( )3. Wheres the ball? -Itsthe box. A. onB. inC. under (
25、)4. Wheres the ball? -Itsthe box. A. onB. inC. near( )5. -Wheres the chair? A. onB. next toC. in -Itsthe sofa.二、选择题( ) 1May I stop my car here? No, you_.A. cant B. mustnt C. neednt D. dont have to( ) 2Can he books?A. read B. reads C. reading D. is reading( ) 3Can we books?A. read B. reads C. reading
26、 D. is reading( ) 4I cant .A. swim B. swims C. swimming D. to swim( ) 5. We eat in class. A.cant B.dont C.mustnt D. shouldnt( ) 6. What you like? Id like some pizza. A.do B.would C.are D. should三根据要求完成句子：1 He can drive a car. （改为一般疑问句）2. Can they swim?（做肯定回答）3. 我可以出去玩吗？（汉译英）一 用括号里动词的适当形式填空。Example:
27、They go to work by train.(go)1. Mr.Eden _ English.(teach)2. Cats _ fish.(eat)3. The boy _ hard at school.(study)4. Mom _ dinner for us every day.(cook)5. The students _ the class.(enjoy)6. Birds _ in the sky.(fly)7. Chicken _ in the water.(not swim)8. Betty _ the violin after class.(practice)二 将下列句子改为一般疑问句，并根据
