(完整版)四年级下册一般现在时.doc

1、一般现在时一般现在时的用法 (1) 表示经常发生或习惯性发生的动作时，用一般现在时态。如：I often watch TV at home. (2) 表示客观的事实，用一般现在时态。如：There are seven days in a week. 一般现在时的构成 当句子主语是I, we, they, you或复数名词时，动词用动词原形。 当句子的主语是he, she, it或单数名词时，动词要用第三人称单数的现在式形态。具体讲解：特别注意特征词( often usually always sometimes never seldom every+时间) 在句子中的标志作用，在做练习时最好把

2、他们标记出来。例子：She usually does her homework after dinner.注意区分好人称，第一，二人称和第三人称复数只需要用动词原形，他们的否定形式是“dont+动词原形”，他们的疑问形式为“Do+动词原形?” 如果是第三人称单数就要作动词的变化。例子：They go to work by bus on weekdays. They dont go to work by bus on weekdays. Do they go to work by bus on weekdays?对于句子中的“doesnt+动词原形” 及 “Do+动词原形?”分别是否定和一般疑问

3、句的形式，一旦遇见“doesnt” “do”这两个词时，动词必须还原。The girl likes eating fruits very much.The girl doesnt like eating fruits at all.Does the girl like eating fruits?1. 标识词，特征词：often usually always sometimes never seldom every+时间2. 构成：主语是一(I/we).二人称(you) 及复数形式(they)：人/物+动词原形例子：I/We often go to school on time every d

4、ay.否定形式：dont + 动词原形例子：I/We dont often go to school on time every day.提问：Do+动词原形? Yes,do. No,dont.例子：Do you often go school on time every day? Yes, I do. No, I dont.第三人称单数（he/she/it以及一个人/物）：人/物+动词未尾+“s”或“es”例子：a. He/She usually goes to school by car every day. b. Janet/Ben has lunch at 12:00 every da

5、y. c. The cat eats a fish every day.3. 动词的变化：动词末尾+ “s” 或 “es”（1）一般情况下，在动词后面+s，如：look-looks eat-eats（2）以“s”， “x” “sh” “ch” “o”结尾的单词在词尾+“es”，如：watch-watches wash-washes catch-catches teach-teaches（3）以辅音字母+“y”结尾的单词，把“y”改为“i”再+“es”,如：fly-flies carry-carries try-tries（4）特殊形式： have-has4. 否定形式：doesnt+动词原形

6、例子：The old man plays chess in the morning. The old man doesnt play chess in the morning. 5提问：Does+动词原形? Yes,does. No,doesnt.例子：Does the old man play chess in the morning?Yes,he does. No, he doesnt.巩固练习选择正确的答案填空，将其字母编号写在题前的括号内。（ ）1. My mother_ housework every day. A. did B. do C. does（ ）2. The lion d

7、oesnt_ the net three times a day. A. bited B. bite C. biting（ ）3. He_ a big hole every week. A. makes B. is making C. made（ ）4.Does the cat_ a mouse every hour? A. catch B. catching C. catches（ ）5.He usually_ the earth to the hill. A. carry B. carries C. carrys（ ）6. My mother always_ up at half six.

8、 A. got B. get C. gets（ ）7. She often_ under a big tree and _ books in the morning. A. sitreads B. sitsread C. sitsreads（ ）8. _ the boy _ TV on weekdays? A. Dowatches B. Doeswatch C. Dowatch（ ）9.Their friend_ to the park every two days. A. go B. goes C. going（ ）10.He never_ a lot of water after he_

9、football. A. drinksplay B. drinksplays C. drinkplays（ ）11. _your mother _ a car to get there every day? A. Doesdrive B. Dodrive C. Dodrives（ ）12. He seldom_ anything.A. forget B. forgot C. forgets（ ）13. She often_ over when she_ the baton. A. fallsgets B. fallsget C. fallgets（ ）14.Janet_ the dog eve

10、ry morning. A. feed B. feeding C. feeds（ ）15.My father_ well in the evening every day. A. doesnt feel B. dont feel C. doesnt feels（二.在下面的动词后加-s或-es . (1) catch_ (2) go_ (3) cost_ (4)fish_ (5)listen_ (6)do_ (7) fall_ (8)show_ (9)brush_ （三. 翻译。 1I often _ _(看电视)in the evening. 2Jack _ _(踢足球) every aft

11、ernoon. 3Jane _ _(购物)with her mother on the weekend. 4They all _(喜欢)English teacher. 5Jack often _(睡觉)at ten. 6Do they _ _(吃晚饭)at home? 7We often_(跳舞)in music class. 8A chair_(有)four legs.（四）.用适当的动词形式填空.(1) Wang Xin usually_(get) up at 6:30. He_(get) up now . (2) Meihua usually_(clean) his bedroom o

12、n Sunday. Now its nine oclock. He_(clean) his bedroom. (3) Bill_(not like) skipping. He_(like) running. (4) My mother_(make) noodles on Sunday. She_(not make) pasta. (5) -_ your sister_(like) coffee? -No, but she_(like) tea.(6) The bird sometimes_(fly) high. (7) Today_(be) my 12th birthday. My grand

13、mother _(give) me a doll. (8) The girl usually_(plant) many plants in the spring every year. (9) Our music teacher_(teach) us music on Monday afternoon. (10) He usually_ (water) them in the morning.(11) He always_(clean) slowly and _(look) left and right (12) The young lady_(clean) her bedroom every

14、 afternoon. (13) She never_(go) to school late, and she always _(do) well in class. (14) Usually, Tom _(water) them two times a day. (15) May usually_ (plant) many trees in spring.(五).仿照例句, 写出下列动词的形式.例: sing sings singing(1)cut_ _ (2) catch_ _(3)swim_ _ (4) take_ _(5)get_ _ (6) run_ _(7)ask_ _ (8)brush_ _