這篇關(guān)于初一英語上冊(cè)知識(shí)點(diǎn)總結(jié):可數(shù)名詞變復(fù)數(shù),是特地為大家整理的,希望對(duì)大家有所幫助!
可數(shù)名詞變復(fù)數(shù)
可數(shù)名詞變復(fù)數(shù)時(shí),有規(guī)則變化和不規(guī)則變化兩種。
1、規(guī)則變化:
1)一般情況直接在詞尾加"-s ",如:cake-cakes, bag-bags, day-days, face-faces, orange-oranges等;
2)以s, x, sh, ch結(jié)尾的詞,要在詞尾加"-es ",如:bus-buses, watch-watches, box-boxes等;
3)以輔音字母加y結(jié)尾的詞,變y為i再加"-es ",如:baby-babies, country-countries, family-families等;
4)部分以f (e)結(jié)尾的詞,變f (e)為"ves ",如:knife-knives, half-halves等;
5)以o結(jié)尾的詞,加"-s "或"-es ",如:zoo-zoos, photo-photos, tomato-tomatoes, potato-potatoes等。記憶口訣:除了"英雄"hero外,凡是能吃的,加"-es ",不能吃的加"-s "。
2、不規(guī)則變化:
1)改變單數(shù)名詞中的元音字母:man-men, woman-women, foot-feet, tooth-teeth等;
2)單、復(fù)同形:sheep-sheep, Chinese-Chinese, Japanese-Japanese等;
3)其他形式:mouse-mice, child-children等。
可數(shù)名詞變復(fù)數(shù)
可數(shù)名詞變復(fù)數(shù)時(shí),有規(guī)則變化和不規(guī)則變化兩種。
1、規(guī)則變化:
1)一般情況直接在詞尾加"-s ",如:cake-cakes, bag-bags, day-days, face-faces, orange-oranges等;
2)以s, x, sh, ch結(jié)尾的詞,要在詞尾加"-es ",如:bus-buses, watch-watches, box-boxes等;
3)以輔音字母加y結(jié)尾的詞,變y為i再加"-es ",如:baby-babies, country-countries, family-families等;
4)部分以f (e)結(jié)尾的詞,變f (e)為"ves ",如:knife-knives, half-halves等;
5)以o結(jié)尾的詞,加"-s "或"-es ",如:zoo-zoos, photo-photos, tomato-tomatoes, potato-potatoes等。記憶口訣:除了"英雄"hero外,凡是能吃的,加"-es ",不能吃的加"-s "。
2、不規(guī)則變化:
1)改變單數(shù)名詞中的元音字母:man-men, woman-women, foot-feet, tooth-teeth等;
2)單、復(fù)同形:sheep-sheep, Chinese-Chinese, Japanese-Japanese等;
3)其他形式:mouse-mice, child-children等。