2017年中考英語(yǔ)常考知識(shí)點(diǎn)
2017年中考英語(yǔ)??贾R(shí)點(diǎn)
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2017年中考英語(yǔ)??荚~性變換規(guī)則知識(shí)點(diǎn)
一、可數(shù)名詞單數(shù)變復(fù)數(shù)類(lèi)
1.規(guī)則變化:
(1)一般情況加-s, 如: girls, books, pens, bags, boys, days等。
(2)以s, x, ch, sh結(jié)尾加-es, 如: buses, boxes, watches, brushes
(3)以o結(jié)尾的名詞,無(wú)生命的名詞多加-s,有生命的名詞多加-es。
(4)以輔音字母加y結(jié)尾的名詞, 變y為i加-es, 如: city→ cities, story→stories
(5)以f或fe結(jié)尾的名詞變f或fe為v加-es。如: leaf→leaves, knife→knives, shelf→shelves,wife→ wives等。
2.不規(guī)則變化的名詞要熟記:
man→men, woman→women, child→children,
foot→feet,tooth→teeth, mouse→mice, people→people,
sheep→ sheep, Chinese→Chinese,Japanese→Japanese,deer→deer
二、動(dòng)詞/名詞變形容詞類(lèi)
1.在動(dòng)詞后加后綴-ful
如:care→careful ,use→useful;
thank→thankful,help→helpful;
wonder→wonderful,forget→forgetful
2.在名詞后加-y
如:luck→lucky, cloud→cloudy;
wind→windy, rain→rainy;
sun→sunny, snow→snowy
noise-noisy,health→healthy
3.在名詞后加-ly
如:friend→friendly,love→lovely,day→daily
4.方位名詞加-ern
如:east→eastern,west→western
south→southern,north→northern
三、形容詞加后綴變成名詞
1.形容詞加-ty變成名詞
如:safe→safety,difficult→difficulty
2.形容詞加-th變成名詞
如:true→truth,warm→warmth,young→youth
四、形容詞變副詞類(lèi)
形容詞修飾名詞、代詞等作定語(yǔ)或表語(yǔ);副詞修飾動(dòng)詞、形容詞或副詞作狀語(yǔ)。
1.一般形容詞詞尾加-ly變成副詞,
如:slow→slowly, clear→clearly
quick→quickly, quiet→quietly
careful→carefully, sudden→suddenly
real→really, polite→politely
safe→safely,wide→widely
2.以“輔音字母+y”結(jié)尾的,要變y為i加-ly
如:easy→easily,happy→happily
heavy→heavily, lucky→luckily
busy→busily,angry→angrily;
3.以元音字母+e結(jié)尾,去e加-ly
如:true→truly
4.以輔音字母加-le結(jié)尾,去e加-y
如:terrible→terriblypossible→possibly
5.形容詞與副詞同形
如:fast→fast,early→early,high→high,hard→hard
6.注意:hard作形容詞時(shí)意思是“困難的;硬的;生硬的”等;作副詞時(shí)意思是“努力地”。hardly是否定副詞,意思是“幾乎不”。
五、動(dòng)詞變名詞類(lèi)
1.動(dòng)詞加-er變成名詞
如:work→workerfarm→farmerteach→teacher
sing→singerspeak→speakerplay→player
read→readerdrive→driverwrite→writer
ride→riderdance→dancer run→runner
win→winner cook→cooker travel→traveler
2.動(dòng)詞加-or 變成名詞
如:visit→visitor,invent→inventor,conduct→conductor,act→ actor
六、基數(shù)詞變序數(shù)詞類(lèi):
主要掌握好1---12和20、30、40、50、60、70、80、90及21、22、23這幾個(gè)序數(shù)詞的形式:
one→first twenty→twentieth
two→ second thirty →thirtieth
three→third forty →fortieth
four→ fourth fifty →fiftieth
five → fifth sixty →sixtieth
six→ sixth seventy →seventieth
seven→ seventh eighty →eightieth
eight→ eighth ninety →ninetieth
nine→ninth
ten→ tenth
eleven→ eleventh
twelve→twelfth
twenty-one →twenty-first
twenty-two →twenty-second
twenty-three →twenty-third
七、形容詞與副詞的原級(jí)、比較級(jí)和最高級(jí)類(lèi)
1.形容詞和副詞的比較級(jí)、最高級(jí)構(gòu)成
部分雙音節(jié)詞或以形容詞加-ly變成的副詞和多音節(jié)詞,在其前加more, most 變成比較級(jí)和最高級(jí)。
如:interesting → more interesting,→ most interesting
beautiful → more beautiful,→ most beautiful
slowly → more slowly,→ most slowly
quickly → more quickly,→ most quickly
不規(guī)則變化:
good→better→best well→better→best
many→more→most much→more→most
little→less→least
far→farther/further → farthest/furthest
ill → worse → worst
bad/badly → worse → worst
old → older/elder → oldest/eldest
2.原級(jí): as+adj./adv.+ as … (肯定)
“和 ……一樣……”,
not as / so+adj./adv.+as …(否定)
“和 ……不一樣……” “…… 不如……”
八、常見(jiàn)的反義詞:
1.動(dòng)詞
buy — selltake — bring
remember — forget die — live
love — hate rise — fall
ask — answer start — finish
miss — catch pull — push
go — come end — borrow
2.形容詞
little — much short — tall / long
free — busy full — empty
few — many good — bad
white — blackcareful—careless
dead — living cheap — expensive
clean — dirty easy — difficult
wet — dry same — different
open — closed strong —weak
light— heavy