201七年级英语上uni1t课堂练习.ppt

1、Section A（3a3c）单元同步语法精讲精练,句式变身： 变否定句时，当主语是第三人称单数或单数名词时，在实义动词前加doesnt，此时要注意其后的动词变成原形；当主语是第一、第二人称、第三人称复数及其他复数名词时，在行为动词前直接加dont即可。如： My brother doesnt have a basketball. The girls dont have computer games. 变一般疑问句时，当主语是第三人称单数或单数名词时，在句首加助动词Does，句中行为动词变为原形；当主语是第一人称、第二人称、第三人称复数及其他复数名词时，在句首直接加助动词Do。其肯定回答为“Y

2、es，主语do/does.”，否定回答为“No，主语dont/doesnt.”,。如： Do you have a basketball？ Yes，I do./No，I dont. Does she have a tennis ball？,一、根据句意，用do，does，dont或doesnt填空。 1.Kate and her friend have a dictionary. 2.Jack have a brother. 3. your sister have a computer？ 4. you have a baseball？ Yes，I . 5. she have a tennis

3、ball？ No，she .,dont,doesnt,Does,Do,do,Does,doesnt,二、按要求完成下列句子。 1.Frank has a black tape player.（改为一般疑问句并作肯定回答） Frank a black tape player？ . 2.I have a red schoolbag.（改为一般疑问句并作否定回答） you a red schoolbag？ . 3.He has a sister.（改为否定句） He a sister. 4.My grandparents have a white dog.（改为否定句） My grandparent

4、s a white dog. 5.She has a nice cup.（用they代替she改写句子） nice .,Does,have,Yes，he does,Do,have,No，I dont,doesnt have,dont have,They have,cups,三、单项选择。 1. your cousin have a soccer ball？ A.IsB.AreC.DoD.Does 2.Annas sister an English dictionary. A.dont have B.dont has C.doesnt have D.doesnt has 3.Mary has baseball，but she doesnt play baseball. A.a；a B.the；the C./；a D.a；/,D,C,D,4.Does Tom a volleyball？ Yes，he two. A.have；have B.have；has C.has；have D.has；has 5.Jack，what about going to the zoo？ . A.Y