初-英语时态知识点与练习-

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1、.时态复习的思维步骤应是：一时间、二主语、三动词。一般现在时一、一般现在时的功能　　1.表示事物或人物的特征、状态。如：Theskyisblue.天空是蓝色的。　　2.表示经常性、习惯性、预定性的动作。如：Igetupatsixeveryday.我每天六点起床。3.表示客观现实。如：Theearthgoesaroundthesun.地球绕着太阳转。4.一般现在时表将来——主将从现二、构成常与表示频率的时间状语连用。如always,usually，often,sometimes，everymorning/night/evening/day/week/year......三、重难点（1）第三

2、人称单数变化i）在动词尾直接加s。如：......play—plays，want—wants，work—works，know—knows，help—helps，get—getsii）以字母s、x、ch或o结尾的动词加-es；如：guess—guesses，fix—fixes，teach—teaches，brush—brushes，go—goes，do—does，watch—watches，catch—catchesiii）以辅音字母＋y结尾的动词，先变y为i，再加-es。如：study—studies，carry—carries，fly—flies，worry—worries（2）频度副

3、词的位置及使用always,usually,often,sometimes,seldom,rarely,never1.频度副词通常位于实义动词之前，动词be、助动词、情态动词等之后。如：Weoftengettogether.Janeusuallygoestoworkbybike.Hesometimesgoesthereonbusiness.Hecanneverunderstand.Iwasneververygoodatmaths.注：如果有两个助动词，频度副词通常放在第一个助动词后面。如：Wehaveneverbeeninvitedtooneoftheirparties.他们聚会，一次也

4、没邀请过我们。Shemustsometimeshavewantedtorunaway.她有时候一定想到过要逃走。2.频度副词位于句首的用法1）.sometimes常可用于句首。如：Sometimesshecomeslate.有时她来得晚。Sometimesshedidn’tagreewithme.有时她和我意见不一致。......2）.often用于句首时，通常表示强调，且其前一般有quite,very修饰。如：Veryoftenhecomesinlate.他常常迟到。QuiteoftenthephoneringswhenI’minthebath.电话经常在我洗澡时响。3）usually

5、有时也用于句首，其前不用修饰语。如：UsuallyIgetRoman'我平时起得早。四、课堂练习按照要求改写句子。1.Doyouoftenplayfootballafterschool?(肯定回答)2.Ihavemanybooks.（改为否定句）3.GaoShan'ssisterlikesplayingtabletennis（改为否定句）4.ShelivesinasmalltownnearNewYork.（改为一般疑问句）5.IwatchTVeveryday.（改为一般疑问句）6.Davidhasgotagoal.（改为一般疑问句）7.Wehavefourlessons.（否定句）8.N

6、ancydoesn'trunfast（肯定句）9.Mydogrunsfast.否定句、一般疑问句：10.Mikehastwolettersforhim.一般疑问句、否定句11.IusuallyplayfootballonFridayafternoon.否定句、一般疑问句、划线提问......12.Mingmingusuallywaterstheflowerseveryday否定句、一般疑问句、划线提问13.Idomyhomeworkeveryday.(改为一般疑问句并作否定回答)14.Shelikesmilk.（改为一般疑问句并作肯定回答）用词的适当形式填空。1.MissGuo_____

7、_(teach)usChinesethisterm.She______(be)averygoodteacher.Sheoften______(talk)withusafterclass.Manyofuslike______(talk)withher.2.Where______theirfather______(work)?He______(work)onafarm.3.Whattime______theshop______(clos