口诀转换英语句型转换.doc

口诀转换英语句型转换
句型转换是英语学习中一大难点，很多学生在做这类题时频频出错，下面是我们结合日常学习总结的转换口诀。
一、肯定句变否定句：分两种变化‚ƒ„
1. 找插
找：如果句子中有系动词（is，am，are，was，were）、情态动词（can, may, must, could, might, shall , should, will, would,, need,）助动词（have，has）时，直接在后面插入not。
例：
My parents will have dinner at seven this evening.直接在will后插入not
My parents will not have dinner at seven this evening
2.如果句子中不存在以上词语，要遵循找判分插
找：找出句中的实意动词。
‚判：根据实意动词判断句子的时态。
ƒ分：将实意动词分成时态标志词和动词原形。
„插：在助动词后插入not。
例一：She often watches TV on Sundays.
找到实意动词watches
‚判断时态：一般现在时
ƒ分成时态标志和动词原形does和watch
„插入not：在两个词中间插入not，并注意细节变化。
She often watches TV on Sundays.
does watch
not
She doesn’t often watch TV on Sundays.
（频率副词要用在实意动词前、助动词后）
例二：Our teacher told a story to us.
找到实意动词told
‚判断时态：一般过去时
ƒ分成时态标志和动词原形did和tell
„插入not：在两个词中间插入not，并注意细节变化。
Our teacher told a story to us.
did tell
not
Our teacher didn’t tell a story to us
二、肯定句变一般疑问句：分两种变化
1.找提
找：如果句子中有系动词（is，am，are，was，were）、情态动词（can, may, must, could, might, shall , should, will, would,, need,）助动词（have，has）时，直接将这些单词提到句首，句子后边问号，注意人称变化。
例：
My parents will have dinner at seven this evening.
直接将will提到句子前面，句后变问号，注意人称变化。
Will your parents have dinner at seven this evening
2.如果句子中不存在以上词语，要遵循找判分提
找：找出句中的实意动词。
‚判：根据实意动词判断句子的时态。
ƒ分：将实意动词分成时态标志词和动词原形。
„提：在助动词提到句子前面，句后变问号。
例一：She often watches TV on Sundays.
找到实意动词watches
‚判断时态：一般现在时
ƒ分成时态标志和动词原形does和watch
„提助动词提到句子前面，句后变问号，并注意人称变化。
She often watches TV on Sundays.
does watch
Does she often watch TV on Sundays.
例二：Our teacher told a story to us.
找到实意动词told
‚判断时态：一般过去时
ƒ分成时态标志和动词原形did和tell
„提助动词提到句子前面，句后变问号，并注意人称变化。
Our teacher told a story to us.
did tell
Did your teacher tell a story to you？
三、特殊疑问句的变化：
每一个特殊疑问词都对应