1肯定句改否定句的方法 : 1、 在be动词后加not。如:is not , are not , am not 2、 在can,should, will等后加not。如:cannot, should not, will not; 3、 上述都没有的,在动词前加助动词否定形式don’t/doesn’t/didn’t。 4、 some 改成any。 如: I am a girl. → I am not a girl. You are a student. →You are not a student. →You aren’t a student. This is Tom’s bag, → This is not Tom’s bag.→ This isn’t Tom’s bag. 2肯定句改一般疑问句的方法 1、 把be动词放在句首,剩下的照抄,(some 改成any,I改成you,my改成your,)句点改成问号。 2、 把can,shall, will等放到句首,剩下的照抄,(some 改成any,I改成you,my改成your,)句点改成问号。 3、 上述都没有的,在句首请助动词Do/Does/Did帮忙,剩下的照抄,(some 改成any,I改成you,my改成your,)句点改成问号。 注意:句首的第一个字母要大写,句尾标点应为“?”。 如: I am in Class 6. →Are you in Class 6? You are from America. →Are you from America? It is an orange. →Is it an orange? 4、 就一般疑问句回答 一般疑问句有两种回答,即:肯定回答和否定回答。其中,肯定回答用yes,否定回答用no。 语句顺序为:Yes + 主语 + am /is/ are/was/were.|can.|do/does/did|; No + 主语+ am not/ isn’t/ aren’t 如: —Are you an English teacher?→Yes, I am. /No, I am not. —Is that a bird? →Yes, it is./ No, it isn’t. 3对划线部分提问 “就划线部分提问”是小学阶段英语学习的难点,但是一旦掌握了规律,就变得容易多了。 小学英语对划线部分提问之答题口诀 : 一代:用正确的疑问词代替划线部分。 二移:把疑问词移至句首 三倒:颠倒主谓语,但对主语或其定语提问时除外(some 改成any,I改成you,my改成your), 四抄:照抄句子剩余部分。 ★特殊疑问词的确定要根据划线内容而定,在小学阶段常出现的有以下几种: 1划线部分是“事或物”,特殊疑问词用what 如: This is a book.---What is this? I often play football on Saturdays .---What do you often do on Saturdays ? 2划线部分是“人”,特殊疑问词用who 如:He is my brother. ---Who is he ? 3划线部分是“地点”,特殊疑问词用where 如:The box is on the desk.---Where is the box ? 4划线部分是“时间”,特殊疑问词用what time或when 如:It's seven twenty . ---What time is it ? I usually get up at six . --- When do you usually get up? 5划线部分是“年龄”,特殊疑问词用how old 如:I am twelve . ---How old are you? My father is thirty-three . ---How old is your father ? 6划线部分是“职业”,特殊疑问词用what 如:Mike is a worker. ---What is Mike ? 7划线部分是“颜色”,特殊疑问词用what colour 如: My hat is blue . ---What colour is your hat? 8划线部分是“数量”,特殊疑问词用how many或how much 如:I can see five kites .---How many kites can you see ? There is some milk in the glass. ---How much milk is there in the glass ? 9划线部分是“多少钱”,特殊疑问词用how much 如:This pen is nine yuan . ---How much is this pen ? 10划线部分是“形容词性物主代词或名词性物主代词”,特殊疑问词用whose 如:That is my book . ---Whose book is that ? The bag is yours. ---Whose is the |
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1、对照法如何正确地理解和运用数学概念?小学数学常用的方法就是
已知单位数量和单位数量的个数,先求出总数量,再按另一个单位数
(二)一次逆转归一法通过一步计算求出单位数量,再求总数量里包
类牛吃草问题:是牛吃草问题的变形,经常会碰到的题型如:抽(淘)