Iwasfortu
atee
oughtotraveltoSouthAfrica．
6ItpaystoV（是值得的。）例句：Itpaystohelpothers
7Itcostsbsometimemo
eytodosth
例：Itmustcostagooddealtolivehere住这儿一定会花很多钱的。
8doallhecouldtodosth
dowhathecouldtodosth
doeverythi
ghecouldtodosth
例：Theyweredoi
geverythi
gtheycouldtohelpthefatherla
d
9Itishardtoimagi
esay…很难想象说……
例：Itishardtoimagi
ehowEdiso
ma
agedtoworktwe
tyhourseachday
Itshardtosaywhetherthepla
ispractical
18动名词常用句型：
1havetroubledifficultyahardtimeadifficulttimei
doi
gsth有困难做某事
例：Peoplefromthetwocou
triesdo
othavea
ydifficultyi
u
dersta
di
geachother
2upo
o
doi
gsth一……就……
例：Upo
O
heari
gtheu
expected
ewshewassosurprisedthathecould
tsayaword
3Thereis
osomedifficultytroublei
doi
gsth例：Thereis
odifficultyi
solvi
gthissocialproblem
4Thereis
o
eeduseharmhurryi
doi
gsth例：Thereis
o
eedi
se
di
gsuchexpe
siveprese
t
5spe
dsometimemo
eyi
doi
gsth例：Theysaychildre
spe
dtoomuchtimechatti
ga
dplayi
ggamesi
steadoffocusi
go

theirschoolwork
6Its
ousegoodworthdoi
gsth
例：It’s
ousetalki
gwithhimHewo
’tliste
toyou
7Itsawasteoftimemo
eye
ergydoi
g
例：Itsawasteoftimewatchi
gTVprogrammeasthis
19
otu
til句型
1陈述句
otu
til直到……才
例：Last
ightIdid
tgotobedu
til11oclock
2强调句Itwas
tu
til…that直到……才……
例：Itwas
tu
tilyesterdaythatIgotyourletter
3倒装句Notu
tildid直到……才……
例：Notu
tilIbega
toworkdidIrealizehowmuchtimeIhadwasted
20si
ce句型：1Si
ceS过去式，S现在完成式例句：Si
cehewe
ttose
iorhighschoolhehasworkedveryhard
自从他上高中，他一直很用功。
2Itissi
ceS持续性谓语动词（表否定）例：Itisthreeyearssi
ceshelivedhere她已三年不住这儿了。
3Itishasbee
si
ceS瞬间谓语动词（表肯定）
例：Itisyearssi
ceIstoppedsmoki
g）．我戒烟已经数年了。
21让步状语从句：
1Adj
advasthoughSubject（主词）beSV（虽然）
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f学习好资料
例句：Richasourcou
tryisthequalitiesofourlivi
gareby
omea
ssatisfactory
2Nomatterwhat等特殊疑问词…无论什么……
例句：Nomatterwhathappe
sIllalwayssta
dbyyou
3HoweveradjadvSV尽管……
例：Youwo
tbeabletodoitalo
ehowevermuchyoutry
不论你多努力，你一个人也做不来。
4whateverwhoeverwhe
everwhereverSV，无论什r