名词变复数和动词ing的加法
元音字母a、i、o、u、e
现在进行时的用法:
表
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示说话的时候动作正在进行 现在进行时的构成是:主语+be+v.ing〔现在分词〕形式 第一人称单数I+am+ing. I am writing now . 第一人称复数We+are+ing. We are singing now. 第二人称单(复)数 You+are+ing You are talking now 第三人称单数 He(She，it)+is+ing He si chasing 第三人称复数 They+are+ing They are playing 肯定句:主语+be(is/am/are)+现在分词
否定句:否定句式是在be动词后加not
I am not working.
He isn't runnig or the track.
The students aren't playing football
一般疑问句 是将:be移到主语前面，句末加问号 Are they swimming ? Yes, they are. / No, they aren't.
Is he running ? Yes, he is. / No, he isn't.
一、 如何加ing
1、一般情况下直接加ing
work-working、talk-talking、go-going
2、不读音的e结尾，去e再加ing
chase-chasing、come-coming
3、以单元音+单辅音字母结尾的单词，双写末尾辅音字母再加
ing
get-getting、run-running、swim-swimming、
4、以ie结尾的单词去ie改为y再加ing
die-dying、lie-lying
名词变复数用法:
1(一般情况下，直接加-s，如:book-books, bag-bags, cat-cats, bed-beds
2(以s. x. sh. ch结尾，加-es，如:bus-buses, box-boxes, watch-watches 3(以“辅音字母+y”结尾，变y为i, 再加-es，如:family-families,
strawberry-strawberries
4(以“f或fe”结尾，变f或fe为v, 再加-es，如:knife-knives
5、不规则名词复数:man-men、woman-women、policeman-policemen、
policewoman-policewomen、child-children、foot-feet、tooth-teeth、
sheep-sheep、people-people、Chinese-Chinese、Japanese-Japanese、
当people后加上s时即peoples表示“民族”例如There are 56
peoples in China.
以下词为常为不可数名词，他们的复数形式就是他们本身。
water(水) milk(牛奶) tea(茶) rice(米饭) orange(橙汁)juice(果汁)bread
(面包)
I _________this ___________ watch _______child ________diary ______ day________ foot________book_______ dress ________ tooth_______ sheep ______box_______ strawberry _____ thief _______ peach______ sandwich ______ man______ woman_______ paper_______ juice_____ water________ milk________ rice__________ tea_______
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