句型转换之be动词的一般疑问句和否定句 表现形式: am 、is 、are 、(过去式 was, were) 用法 : ① I 用 am ②you 、we 、they 、用are ③ is 连着 she 、 he 、it、 ④名词单数用 is , 名词复数用are ⑤代词this、that用 is ; these、those 用are ㈠将肯定句改为否定句时,直接在 be 动词后加 not 构成否定句: 缩写形式: isn't 、aren't 、(wasn’t , weren’t) ㈡将肯定句改为一般疑问句时、将be 动词提前放在句首,末尾加问号。第一人称代词应改为第二人称代词:即 I→you , me→you , my→your , mine→yours , myself→yourself ㈢ 主语是this(these)、that (those)时、在作肯定或否定回答时不直接用this(these)、that (those),而是用it或they来代替上文的指示代词以避免词汇重复。 指人的名词单数在作肯定或否定回答时应改为代词she(女) ,he(男)。指人的名词复数在作肯定或否定回答时应改为代词they。指物的名词单数在作肯定或否定回答时应改为代词it。指物的名词复数在作肯定或否定回答时应改为代词they。.注:第一人称问,第二人称答;第二人称问,第一人称答。 做题技巧:1、找动词 2、分清动词前的主语是指人还是指物,是单数还是复数3、选定代词 一、将下列句子变成一般问句并作肯定回答和否定回答 ,然后再变成否定句: 1.I am a boy .(两种做法) ①→ ? . . ②→ . . . → . 2.My name is Wang Lin . → ? . . → . 3.Cindy is a student . → ? . . → . 4.You are a teacher . → ? . . → 5.Tony is an English boy . → ? . . → . 6.Her bag is nice . → ? . . → . 7.My father and mother are doctors . → . . → . 8.Tom is her brother . → ? . . → . 9.They are middle-school students . → ? . . → . 10.Gina is an American girl . → ? . . → . 11.LiYin's mother is a worker . → ? . . → . 12..This man is Mike's father . → ? . . → . 13.My father is a doctor . → ? . . → . 14.These are Tom's father and mother . → ? → . 15.They are in Grade Two . → . . → . 16.His sister is a nurse . → ? . . → . 17.He is an old man . → ? . . → . 18. The apple is red . → ? . . → . 19.Those are sharpeners . → . . → . 20.That is a jacket . → ? . . → . 21.The football is under the table . → ? . . → . 22.The students are busy now . → ? . . → . 23.They are going to have a volleyball match this afternoon . → ? . . → . 24.Your sister is much taller this year than last year . → ? . . → . 25She is doing her homework now . → ? . . → . |
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