助动词一、在普通现在时中,动词do做为助动词无词义,只是协助普通现在时构成否认句,普通疑问句;作为实义动词,其词义是“做、干”的意思
二、动词does是动词do的第三人称单数形式
普通现在时主语是第三人称单数,动词和助动词都用does
三、切记助动词do和does出现,实义动词用原形
Theydon’twashtheirfaceseverynight
助动词无义B
Peteroftendoeshishomeworkathome
助动词无义B
Shedoesn’tdoit
助动词无义B
做强化训练一、把下列动词变为第三人称单数形式
live_____2
like_____3
do_____4
wake_____5
watch_____6
play_____7
have_____8
eat_____9
work_____10
fly_____11
speak_____12
go_____13
sing_____14
wash_____15
study_____16
drive_____17
ride_____18
try_____二、选择填空
Iusually_____acakeonSaturday
makesC
making2
She_____toplaycarswithhersister
wantingC
wants3
We_____gohomeat5:30everyday
doesn’tB
aren’tC
don’t4
Wangdoesn’t_____yellow
likesC
liked5
Thepupils_____verywell
don’tsingB
aren’tsingC
doesn’tsing6
Mikedoesn’t_____that