一般现在时讲解及练习一、定义与讲解一般现在时：表示经常性的事情，经常性的动作或一般性事实。时间状语：often经常，usually通常，always总是，every每个，sometimes有时，只有在第三人称单数用动词的“单三变化”，其他用动词的原形。单三变化：（1）直接在动词词尾加-s.ask---askswork---worksget---getsstay---stays（2）以字母s,x,ch,sh或o结尾的动词，在词尾直接加-es.watch---watcheswish---wishesfix---fixesdo---doesgo---goespass---passes（3）以“辅音字母加-y”结尾的动词，要先变y为i再加-es.try---triesstudy---studiescry---criesfly---flies二、一般现在时用法1.表示经常性，习惯性,永久性的动作或存在的状态.通常与副词sometimes,often,usually,always,everyday(year,month)等时间状语连用。Theyusuallygotoschoolbybike.Shehelpshermotheronceaweek.Thereare50studentsinmyclass.2.表示客观真理，科学原理，自然现象，等客观事实或格言，谚语等。Thesunrisesintheeastandsetsinthewesteveryday.TomorrowisTuesday.（一）、用括号内动词的适当形式填空。1.Heoften_________(have)dinnerathome.2.DanielandTommy_________(be)inClassOne.3.We_________(notwatch)TVonMonday.4.Nick_________(notgo)tothezooonSunday.5.They_________(like)theWorldCup.6.Thegirl_________(teach)usEnglishonSundays.7.SheandI_________(take)awalktogethereveryevening.8.There_________(be)somewaterinthebottle.9.Mike_________(like)cooking.10.They_________(have)thesamehobby.11.Youalways_________(do)yourhomeworkwell.12.LiuTao_________(do)notlikePE.13.Thechildoften_________(watch)TVintheevening.14.－Whatday_________(be)ittoday?－It’sThursday.15.Weoften___________(play)intheplaygound.16.She_________(go)toschoolfromMondaytoFriday.（二）.选择填空1．Iwant____homeworknow.A.doingB.todoC.todomyD.domy2．It'stime______.A.gotoschoolB.playgamesC.togohomeD.todomyhomeworks3．______goandhelpher.A.Let'smeB.Let'susC.Let'sD.Let'sto4．--Dotheyhaveanewcar?--Yes,_____.A.theyareB.theyhaveC.theydon'tD.theydo5．Heoften_________supperat6:00intheevening.A.haveB.hasc.ishavingD.iseating
