He can’t sing. You should work hard. → You shouldn’t work hard. 3.助动词：have, has, had(完成时中)后加not. E.g. He has been here for five years. → He has not been here for five years.
4. I like apples. Ido__n_’t_ l_ik_e___apples. （否定句） _D_o__ y_o__u_like apples? （一般疑问句） 5. My father watches TV every evening. My father _d_o__e_s_n_’t_w__a_t_chTV every evening. D_o_e__s your father __w__a_tcThV every evening?(疑)
would,
二.在动词前加don’t, doesn’t, didn’t。 1. 当句子的时态为一般现在时，主语为第三
人称单数时，动词前加doesn’t，再还原为动 词原形.其他人称加don’t. e.g. Tom exercises every day. →
Tom doesn’t exercise every day. I love playing football. →
2.情态动词：can, may, could, should, will, would, might 放到句首. E.g. He can sing. →
Can he sing? They will visit the museum next week.→ Will they visit the museum next week? 3.助动词：have, has, had(完成时中)放到句首. E.g. He has been here for five years. → Has he been here for five years?
2. She has already finished her homework now.
She h__a_s _n_o_tfinished her ____.(否ye) t H__a_s_she finished her homework____?（疑ye）t
.
3. It will rain tomorrow. It _w_i_ll_ n_o_t__rain tomorrow.（否定句） W__i_ll_ _i_t_ rain tomorrow? （一般疑问句）
初中英语句型转换答 题技巧(一)
陈述句变否定句、一般疑问句
颉崖中学 刘明君
肯定句变否定句口诀
句型变化很简单， 先把句中动词看。 be may must will can, 否定句not加后边。 没有现成怎么办? do does did 来相伴。 一二人称要转变， 三单过去要还原。
肯定句变否定句
一. 直接在动词后加not。 1.be 动词：am, is, are, was, were 后加not. E.g. I am a teacher. →
Did you visit the Great Wall last year?
小试牛刀
一.将下列句子改为否定句和一般疑问句。 1.He is a good teacher.
He _i_s_ _n_o_t_a good teacher.(否定句) _I_s__ __h_e__ a good teacher?(一般疑问句)
2. 当句子的时态为一般过去时，变一般疑 问句时主语前加did，再还原.
e.g. Mike drew a picture on the blackboard. → Did Mike draw a picture on the blackboard？
I visited the Great Wall last year. →
Do does did 来相伴。 三单过去要还原， 问号结尾在后面。
陈述句变一般疑问句
一. 直接把动词提前： 1.be 动词：am, is, are, was, were放到句首. E.g. They are students. →
Are they students？ She was at home yesterday. → Was she at home yesterday?
I don’t love playing football.
2. 当句子的时态为一般过去时，变否定句时 动词前加didn’t，再还原. e.g. Mike drew a picture on the blackboard. → Mike didn’t draw a picture on the blackboard. I visited the Great Wall last year. → I didn’t visit the Great Wall last year.
二.在主语前加 do, does, did。 1. 当句子的时态为一般现在时，主语为第三
人称单数时，主语前加does，再还原为动词 原形.其他人称加do. e.g. Tom exercises every day. →
Does Tom exercise every day? I love playing football. → Do you love playing football?
I am not a teacher. We are students. → We are not students. She was at home yesterday. → She was not at home yesterday.
2.情态动词：can, may, could, should, will, might 后加not. E.g. He can sing. →
三. 肯定句是祈使句，直接加don’t, 切忌在 do 后直接加not。 e.g. Open the book, please.
Don’t open the book, please.
陈述句变一般疑问句口诀
一般疑问句并不难， 助情动词放句前。 两种回答回答yes no, 句首动词人后面。 没有现成怎么办？