一般現(xiàn)在時ppt講解.ppt

I am a teacher.,I have many students.,Yesterday, I had 4 lessons.,I always helps my students to solve problem.,以上的句子都是一般現(xiàn)在時嗎？它們有什么特征？,1、I am a teacher. 2、He is a student. 3、You are a boy. 4、I can swim.,一般現(xiàn)在時 （肯定句）,哪些主語是第三人稱單數(shù)?,主語為第三人稱單數(shù)，動詞要按規(guī)則加上s或es，,一、he, she, it是第三人稱單數(shù)。,He likes watching TV. 他喜歡看電視。 She has lunch at twelve. 她十二點吃午餐。 It looks like a cat. 它看起來像只貓。,二、單個人名、地名或稱呼作主語；是第三人稱單數(shù)。,Han Mei looks like her mother. 韓梅看起來像她的母親 Beijing is in China. 北京在中國。 Uncle Wang often makes cakes. 王叔叔經(jīng)常做蛋糕。,A panda is a shy animal. 熊貓是害羞的動物。 This book is yellow. 這本書是黃色的。 That car is red. 那輛小汽車是紅色的。 The cat is black. 這只貓是黑色的。,三、單數(shù)可數(shù)名詞或“this / that / the+單數(shù)可數(shù)名詞“作主語時，是第三人稱單數(shù)。,動詞+s的變化規(guī)則 1一般情況下，直接加-s， 如：stop-stops, come-comes 2 以s. x. sh. ch. o結(jié)尾，加-es，如：do-does, watch-watches, go-goes 3以“輔音字母+y”結(jié)尾，變y為i, 再加-es， 如：study-studies,一般現(xiàn)在時 （否定句）,1、I am a teacher.否：I am not a teacher. 2、He is a student.否： He is not a student. 3、You are a boy.否： You are not a boy. 4、I can swim.否： I can not（cant) swim.,否定句在be動詞和情態(tài)動詞后加not,一般現(xiàn)在時 （否定句）,無be動詞或情態(tài)動詞時 主語第三人稱單數(shù) 動詞前加does not (doesnt) 主語是非單三 動詞前加 do not（dont),一般現(xiàn)在時 （否定句）,1、I to school by bus. 否： I to school by bus. 2、He to school by bus. 否：He to school by bus.,go,dont go,goes,doesnt go,用一般現(xiàn)在時態(tài)描述下your good friend Mike,一般現(xiàn)在時 （疑問句）,有be動詞或情態(tài)動詞時 be動詞或情態(tài)動詞can提前，首字母變?yōu)榇髮?；some 變any,一般現(xiàn)在時 （一般疑問句）,He is a student. You are a boy. Is he a student？ Are you a boy？ I can swim. I am a teacher. Can you swim？ Are you a teacher？,一般現(xiàn)在時 （一般疑問句）,1、I to school by bus. 疑問句： you to school by bus. 2、He to school by bus. 疑問句： he to school by bus.,Does,go,goes,go,go,Do,特殊疑問句,時間：when 地點：where 人：who 物：what 狀態(tài)：how 年齡：how old 價錢：how much 數(shù)量：how many,特殊疑問句,有be動詞或情態(tài)動詞: 疑問詞+be or 情態(tài)動詞+主語+其它,特殊疑問句,She can speak English. What can she speak？ He is ten. How old is he？ He is at home. Where is he ？ Its 3 dollars. How much is it?,特殊疑問句,沒有be動詞或情態(tài)動詞： 疑問詞+do（does）+主語+動詞原形+其它,特殊疑問句（時間）,He goes to school at seven. When does he go to school？,單數(shù)第三人稱：,非單數(shù)第三人稱：,I go to school at six. When do you go to school？,特殊疑問句（地點）,He has lunch at school. Where does he have lunch？,單數(shù)第三人稱：,非單數(shù)第三人稱：,Children have lunch at school. Where do children have lunch？,特殊疑問句（狀態(tài)）,He go