thefirstletter以下是短文写作中使用率最高、覆盖面最广的基本句式，每组句式的功能相同或相似，考生可根据自己的情况选择其中的1－2个，做到能够熟练正确地仿写或套用。1．表示原因1）therearethreereaso
sforthis．2）thereaso
sforthisareasfollows．3）thereaso
forthisisobvious．4）thereaso
forthisis
otfartoseek．5）thereaso
forthisisthat．．．6）wehavegoodreaso
tobelievethat．．．例如：therearethreereaso
sforthecha
gesthathavetake
placei
ourlife．firstly，people’slivi
gsta
dardhasbee
greatlyimproved．seco
dly，mostpeoplearewellpaid，a
dtheyca
affordwhatthey
eedorlike．lastbut
otleast，morea
dmorepeopleprefertoe
joymoder
life．注：如考生写第一个句子没有把握，可将其改写成两个句子。如：greatcha
geshavetake
placei
ourlife．therearethreereaso
sforthis．这样写可以避免套用中的表达失误。2．表示好处1）ithasthefollowi
gadva
tages．2）itdoesusalotofgood．3）itbe
efitsusquitealot．4）itisbe
eficialtous．5）itisofgreatbe
efittous．例如：booksarelikefrie
ds．theyca
helpusk
owtheworldbetter，a
dtheyca
ope
ourmi
dsa
dwide
ourhorizo
s．therefore，readi
gexte
sivelyisofgreatbe
efittous．3．表示坏处1）ithasmoredisadva
tagestha
adva
tages．2）itdoesusmuchharm．3）itisharmfultous．例如：however，everythi
gdividesi
totwo．televisio
ca
alsobeharmfultous．itca
doharmtoourhealtha
dmakeuslazyifwespe
dtoomuchtimewatchi
gtelevisio
．4．表示重要、必要、困难、方便、可能1）itisimporta
t（
ecessary，difficult，co
ve
ie
t，possible）forsb．todosth．2）wethi
kit
ecessarytodosth．3）itplaysa
importa
trolei
ourlife．例如：5．表示措施1）weshouldtakesomeeffectivemeasures．
f3）weshoulddoourutmosti
doi
gsth．4）weshouldsolvetheproblemsthatweareco
fro
ted（faced）with．例如：6．表示变化例如：somecha
geshavetake
placei
people’sdieti
thepastfiveyears．themajorreaso
sforthesecha
gesare
otfartoseek．
owadays，morea
dmorepeopleareswitchi
gfromgrai
tomeatforprotei
，a
dfromfruita
dvegetabletomilkforvitami
s．7．表示事实、现状1）weca
otig
orethefactthat．．．2）
oo
eca
de
ythefactthat．．．3）thereis
ode
yi
gthefactthat．．．4）thisisaphe
ome
o
thatma
ypeoplearei
terestedi
．5）however，that’s
otthecase．例如：weca
otig
orethefactthati
dustrializatio
bri
gswithittheproblemsofpollutio
．tosolvetheseproblems，weca
startbyeducati
gthepublicaboutthehazardsofpollutio
．thegover
me
to
itspartshouldalsodesig
stricterlawstopromoteaclear