一般现在时讲解及练习题

一般现在时讲解及练习题一、一般现在时定义：表示现在的状态，如：She is ten.（她十岁了。） Kate is in the classroom. （凯特在教室里。）表示经常发生或习惯性的动作或状态，如: We often call to each other.（我们时常相互通信）。表示主语现在的性格、特征、能力，如：I like English. We can speak English.表示客观真理，如：The sun is bigger than the moon. （太阳比月亮大。）二、一般现在时的构成：1、当谓语动词是be 动词am, is ,are时， 1）肯定句式 主语 am/ are/ is 其他。2）否定句式 主语 am/ are/ is not 其他。 3）一般疑问句 Am/ Is/ Are 主语 其他？肯定回答 Yes, 主语（必须是代词） am/ is/ are否定回答 No, 主语（必须是代词） am/ is/ are not（必须用缩写形式 isnt/arent）2、当谓语动词是行为动词（实义动词）时1）当主语是第一人称 (I / we) ; 第二人称 (you) 及第三人称复数 (they及复数的名词)时：肯定句 主语 行为动词原形 其他 否定句 主语 dont 行为动词原形 其他 一般疑问句 Do 主语 行为动词原形 其他 肯定回答 Yes, 主语（必须是代词）do 否定回答 No, 主语（必须是代词）dont2）当主语是第三人称单数 (she/ he/ it及单数的名词) 时肯定句 主语 行为动词的单三形式 其他 否定句 主语 doesnt 行为动词原形 其他一般疑问句 Does 主语 行为动词原形 其他 肯定回答 Yes, 主语（必须是代词） does 否定回答 No, 主语（必须是代词） doesnt动词单三形式变化规则：一、一般情况加s，例如：looks, likes, wants,plays,二、以ch, sh, s, x或o结尾的词，加-es，例如：teaches, washes, guesses, goes, does三、辅音字母+y结尾，变y为i加-es，例如：carry-carries, study-studies特殊变化 have-has读音情况如下：1、在p, t, k, f清辅音后，读s，例如：hopes, invites, asks2、在z, s, t, , 后，读iz，例如：teaches, wishes, fixes3、在浊辅音和元音及其它情况下，读z, 例如：plans, tries, sends闯关练习一、be动词部分I.用be的适当形式填空1.-How_ you? -I_ fine.2.I_ David,and my family name_ Green.3.-What color _ your clock? -It_ white.4.-What_ this in English?-It_ an apple.5.Toy_my brother.David_my brother,too.They _ my brothers.6.Look!These_apple trees.7.We_ good students and you_ good teacher.8.My sister and my brother_ students.9.Five and three _ eight.10._your card number 5578?11.Where_ your pencils?12.Thses sweaters _ fifty dollars.13.How much _ his jacket?14.My brothers birthday_ December 11th.15.When _ Kates birthday?II.将下面的句子变成一般疑问句并作出回答1. That is my football.2. Those are his books.3. Jim and Tom are good friends.4. My birthday is November 1st.5. His son is twelve years old.III.将下面的句子变成否定句1. His card is on the table.2. Thses are my parents.3. Bob and Tony are our friends.4. These things are five dollars.5. The girl is his sister.IV.划线提问1. Our teachers are in the classroom.2. The girls telephone number is 032-55746.3. Her pen is black.4. September 10th is Teachers Day.5. Thery are thirteen years old.6. The boy is fine.7. The old man is my grandfather.8. These socks are five yuan.二、行为动词部分I.将下面的句子变成一般疑问句并作出回答1.I have a baseball.2.Meria likes apples very much.3.He plays Ping-pang every day.4.We watch TV in the evening.5.Mr Wang often buys lots of things.6. Janey and Mary go to school at 7:30.II. 将下面的句子变成否定句1.I need a bag for sport.2.He wants to go to a movie.3.She often goes to see Beijing Opera.4.The girl has an egg for breakfast.5.We play basketball every day.6.My teacher knows my name.7.It sounds very interesting.III.划线提问1. He likes apples and milk for lunch.2. Mr.Liu plays Ping-pang every day.3. His sister wants to go to a movie.4. We play basketball every day.IV.用所给词的适当形式填空1_ her sister _ (have) a tennis racket?2._ your friend _ (like) basketball?3.We _ (play) football every day.4.It_ (sound) very well.5.Jim _ (want) an orange.7. My mother _(w