指示代词

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2. 将单数句中的不定冠词a, an去掉(某些固定搭配除外)。
It is an orange. → They are oranges. This is a pen. → These are pens.
3. 单数句中的形容词、定冠词、副词、疑问词、介词 等保持不变。
3. 单数句中的形容词、定冠词、副词、疑问词、介词 等保持不变。例如: The pen is red. → The pens are red. What color is the jacket? → What color are the jackets? 【提示】 1. 作定语表示性别的单数名词在变成复数句时要变成 复数形式;作定语表示性质的单数名词在变成复数句 后仍用单数形式。例如: His friend is a man teacher. →His friends are men teachers. That is an orange tree. →Those are orange trees. 2. 表示单数的物主代词在变成复数句时可根据实际情 况变化,有时可仍用单数,有时可改为相对应的复数 形式。例如:
19. 那些电话机是什么颜色的? are What color ________ the telephones/phones ________________? 20. 她们是我的姐姐。 They are my sisters _______ _______. 21. ——那些是你的弟弟吗? ——是的,他们是。 Are brothers —________ ________ those your ________? they _______. are —Yes, _______
语法精讲
指示代词 this, these, that, those
桃源乡中心学校 袁小红
一、指示代词this, these, that, those
this 这,这个 these 这些
近指
ຫໍສະໝຸດ Baidu
that 那,那个 those 那些
远指
Eg: This is my brother. 这是我的哥哥。 That is a blue cup. 那是一个蓝色的杯子。 These are her parents. 这些是她的父母。 Those are his friends. 那些是他的朋友
15. Are these your friends? (改为单数句) Is this ________ ________ your friend? 16. She is a nice girl. (改为复数句) They ________ ________ nice girls. are Ⅲ. 根据汉语意思完成句子,每空一词。 17. 这些是他的父母。 parents _______ his _______. These ________ are 18. 那是你的朋友吗? ________ _______ that your friend? Is
Ⅱ. 按要求完成下列句子,每空一词。 11. Are those your sisters? (作否定回答) they aren’t No, ________ ________. 12. Is that a cup? (作肯定回答) Yes, ________ ________. it is 13. What is that? (改为复数句) are those What ________ ________? 14. They’re orange jackets. (改为单数句) It’s an _______ _______ orange jacket.
【拓展】 在电话用语中,常用this指代“我”,用that指代 “你”。如: Hello! This is Mary. Who is that? 喂!我是玛丽。 你是哪位?
二、单数句与复数句的转换
单数句改为复数句是句型转换中的一个重要题型。 将单数句改为复数句常遵循如下规则: 1. 将单数句中的指示代词、人称代词、物主 代词、名词及be动词等变为对应的复数形式
This is his ruler. →These are his/their rulers. She is my friend. →They are my/our friends.
语法精练
Ⅰ. 写出下列单词的复数形式。
friends 1. grandparent grandparents ___________2. friend __________ names are 3. name ___________ 4. am __________ families those 5. family __________ 6. that _________ keys they 7. key _________ 8. it ___________ schools their/them 9. her _________ 10. school _________
--This\That is + 单数名词 --These\Those are +复数名词
当回答含有this或that作主语的问句,且this或 that指物时,应用it代替句中的this或that;当 回答含有these或those作主语的问句时,应用 they代替句中的these或those。 —Is that your pen? 那是你的钢笔吗? —Yes, it is. 是的,它是。 —Are these his grandparents?这些是他的祖 父母吗? —No, they aren’t. 不,他们不是。
如this → these, that→ those, he/she/it → they等。
This/That is a pen. → These/Those are pens. He is in China. → They are in China. I’m a girl. → We are girls.
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