肯定句改否定句和一般疑问句一、实义动词Heoftengoestobedatten
Wedoeyeexerciseseveryday
ShecametoJapanin1990
二、系动词Iamyourfriend
Hermotherisateacher
Therearetwobooksonthedesk
YesterdaywasJuly1,1995
TheywereinBeijingin1990
三、进行时Thegirlisstandingatthestation
Thestudentsareplayingbasketballontheplayground
Iamlookingforadog
四、情态动词Lucywillbebackinfourdays
Youcanusethisdictionary
Youneedgotomorrow
Youshouldstudyhard
将下列陈述句变为否定句和一般疑问句
Hefoundhispenunderhisdesk
Wemustgotothemeetingrightnow
Iwrotehimaletterlastweek
Mysistersingsbeautifully
Marymissedthebus
Thisbuswilltakeyourighttothecity
Theyaredoingquestionsandanswerswiththeteachers
Myfatherhashislunchat11:30everyday
Thereisapolicemanatthecorneroftheroad
Wangmadesomemodelshipsfortheboys
Isawsomebodyintheroomjustnow
Thereissomewonderfulnews