，如末尾只有一个辅音字母，需要双写这个字母再加“i
g”，如：putputti
gstopstoppi
gru
ru
i
ggetgetti
gswimswimmi
gsitsitti
gbegi
begi
i
g
7
fPracticemakesperfectjogjoggi
gforgetforgetti
g。（3）过去式构成规则：A、一般直接加“ed”，如：pla
tpla
tedvisitvisitedpickpicked；B、以不发音字母“e”结尾，直接加“ed”，如：likelikedhopehopedtastetasted；C、以“辅音字母y”结尾时，变“y”为“i”再加“ed”，trytriedcarrycarriedstudystudied；如：D、有些动词要双写最后一个字母，再加“ed”，如：stopstopped；E、还有很多动词的过去式是不规则的，请记忆：是ambewasbei
g；是arebewerebei
g；是bewaswerebei
g；成为becomebecamebecomi
g；开始begi
bega
begi
i
g；弯曲be
dbe
tbe
di
g；吹blowblewblowi
g；买buyboughtbuyi
g；能ca
could；捕捉catchcaughtcatchi
g；选择choosechosechoosi
g；来comecamecomi
g；切cutcutcutti
g；做dodoesdiddoi
g；画drawdrewdrawi
g；饮dri
kdra
kdri
ki
g；吃eatateeati
g；感觉feelfeltfeeli
g；发现fi
dfou
dfi
di
g；飞flyflewflyi
g；忘记forgetforgotforgetti
g；得到getgotgetti
g；给givegavegivi
g；走gowe
tgoi
g；成长growgrewgrowi
g；有havehashadhavi
g；听hearheardheari
g；受伤hurthurthurti
g；保持keepkeptkeepi
g；知道k
owk
ewk
owi
g；学习lear
lear
edlear
tlear
i
g；允许，让letletletti
g；躺lielaylyi
g；制造makemademaki
g；可以maymight；意味mea
mea
tmea
i
g；会见meetmetmeeti
g；必须mustmust；放置putputputti
g；读readreadreadi
g；骑、乘rideroderidi
g；响、鸣ri
gra
gri
gi
g；跑ru
ra
ru
i
g；说saysaidsayi
g；看见seesawseei
g；将shallshould；唱歌si
gsa
gsi
gi
g；坐下sitsatsitti
g；睡觉sleepsleptsleepi
g；说speakspokespeaki
g；度过spe
dspe
tspe
di
g。
练一练
1、写出下列动词的第三人称单数。dri
k__________go____________stay__________make__________look__________have_________pass__________carry__________come___________watch__________pla
t_________fly________study________brush_________do___________teach____________take__________see__________2、写出下列动词的现在分词。put__________give__________fly_________get________da
ce________sit_________ru
________pla
t_________take___________swim_________ask___________stop__________take_________write__________have__________smoke_________thi
k__________wa
t__________tell__________3、写出下列动词的过去式。isam_________fly_______pla
t________are________dri
k_________play_______go________make________does_________da
ce________wr