一)在后面加s。如:fathers, books, americans, germans, apples, bananas
二)x, sh, ch, s, tch后加es。如:boxes, glasses, dresses, watches, wishes, faxes
三)1)以辅音字母加y结尾的变y为i再加es 如:baby-babies, family-families, duty-duties, comedy- comedies, documentary-documentaries, story-stories
2)以元音字母加y结尾的直接加s。如:day-days, boy-boys, toy-toys, key-keys, ways
四)以o结尾加s(外来词)。如:radios, photos, 但如是辅音加o的加es:如: tomatoes西红柿, potatoes马铃薯
五)以f或fe结尾的变f为v再加esp>
⑤ 问原因 why do you want to join the club?
⑥ 问时间 what’s the time? (=what time is it?) it’s a quarter to ten a.m..
what time do you usually get up, rick? at five o’clock.
&nb
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