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_ _