mothers, fathers, brothers, sisters
friends, grandfathers, grandmothers
词变为复数形式的规则如下:
1.一般情况是在单数名词后加“-s”,如:
pen→pens, sister→sisters.
2.以s, sh, ch, x等结尾的单词,变复数形式需加“-es”,如:
bus→buses, dish→dishes, watch→watches, box→boxes.
3.以f, fe结尾的名词,变复数形式需将f, fe变为ves,如:
knife→knives, leaf→leaves.
4.以o结尾的词多数都加-es,如:
hero→heroes, potato→potatoes, echo→echoes, tomato→tomatoes.
少数词加-s,如:
zoo→zoos, radio→radios, photo→photos, piano→pianos, kilo→kilos, studio→studios.
5.以辅音字母+y结尾的名词,变复数形式需先将y变为i,然后再加“-es”,如:
story→stories, factory→factories, family→families.
6.单复数同形的名词,如:
sheep→sheep, deer→deer, Chinese→Chinese.
7.少数名词的复数形式是不规则的,如:
man→men, woman→women, child→children, foot→feet,ox→oxen, mouse→mice, tooth→teeth, goose→geese.
this -- these that -- those
is -- are
介绍家人就是介绍一下你的爸爸,妈妈,姐姐妹妹,哥哥弟弟等。自己写,别太懒了。
祝您学习进步,更上一层楼!!!O(∩_∩)O
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