i like red sofa变为否定句

解题思路：注意命题的否定与否命题的区别。先将原命题化为：“若。。。则。。。”的形式。原命题的否命题：即是将原命题的条件与结论均否定。原命题的条件不变，否定结论则为原命题的否定。解题过程：例如：最终答案

1Ididn'tputeggsinthefridgeyesterdaymorning.2Didhebuysomemeatforsupperinthesupermarket?Yes,hedid./No,

①2-甲基-2-丙醇无法消去②1-丁醇消去之后为1-丁烯,再加成时由于氢多加氢成为2-丁醇所以也不行.③2-甲基-1-丙醇同上消去后再加成为2-甲基-2-丙醇.④所以只有2-丁醇可以,消去为2-丁烯,

是杯的异体字.

是的,因为家中排行从首（伯）,又身处官场之职（邑）,遂得名伯邑考!

否卦第十二（坤下乾上：天地否,闭塞黑暗,否极泰来）　　..　　..　　否：否之匪人,不利君子贞,大往小来.　　初六,拔茅茹,以其汇,贞吉,亨.　　六二,包承,小人吉；大人否,亨.　　六三,包羞.　　九

any

Tonydidn'ttakeanyphotosatthesportsmeet.DidTonytakeanyphotosatthesportsmeet?Yes,hedidNo,hedidn't供参考

1.Isshitheredaughter?2.Heisn'tourteacher.3.is4.Isheapoliceman?

Dotheygotoschoolonfoot?Yes,theydoNo,theydon't祝：学习进步,更上一层楼!(*^__^*)不明白的再问哟,请及时采纳,多谢!

实义动词在变为否定时要用助动词并且提前到主语前只有be动词不要用助动词就可以直接提前建议你下载有道桌面词典,不仅仅能快速查单词,也能查到语法,我就从那里给你复制的,先复制给你看吧,因为我解释的话怕也没

是不是类似asksomebodynottodosomething,这样的句式?再问：对对对！就这个，还有别的句式差不多的吗~~？再答：这样的句式就这一种吧？没了吧..不过ask可以换成一些别的动词，比

Doeshisfatherwanttogotoamovie?Yes,hedoes.No,hedoesn't.Hisfatherdoesn'twanttogotoamovie.Doestheshopse

DoesBillliveinAustralia?Hedoesn'tlikemakinglitesHereadsnewspaperseveryevening.

否命题即将命题的条件和结论都否定.非命题又称“命题的否定”,只否定结论,不否定条件.原命题有否命题,逆命题和逆否命题.例如：原命题:若X大于等于2,则（X-2）/X大于等于0真命题否命题：若X小于2,

解题思路：：f(x)=2f(1/x)(根号x)-1=2[2f(x)(根号1/x)-1](根号x)-1=4f(x)-2(根号x)-1解题过程：

否定句-Theyweren'tsadlastweek.一般疑问句-Weretheysadlastweek?Yes,theywere./No,theyweren't.对划线部分提问-Ho

/>Theywerenotsadlastweek. Weretheysadlastweek?Yes,theywere.No,theyweren't.Whoweresadlastwee

1Doesthedeskhavethreelegs?Yes,itdoes.No,itdoedn't.Thedeskdoesn'thavethreelegs.2DoLucyandLilyhavearoo

【Couldtheyeatanapple?】一般疑问句【Yes,theycould.】肯定【No,theycouldn't.】否定祝学业进步!