第三人称单数时,要用does构成一般疑问句。如:-Doesshegotoworkbybike?-Yes,shedoes./No,shedoesn't.动词s的变化规则1.一般情况下,直接加-s,如:cook-cooks,milk-milks2.以s.x.sh.ch.o结尾,加-es,如:guess-guesses,wash-washes,watch-watches,go-goes3.以“辅音字母y”结尾,变y为i,再加-es,如:study-studies 一般现在时用法专练: 一、e________watch______plant_______fly________study_______brush________do_________teach_______wash_______二、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.What_______theyoften_______(do)onSaturdays?7._______yourparents_______(read)newspaperseveryday?8.Thegirl_______(teach)usEnglishonSundays.9.SheandI________(take)awalktogethereveryevening.10.There________(be)somewaterinthebottle.11.Mike_______(like)cooking.