否定式的常见缩写形式，动词不定式的否定式，现在分词的否定式的构成与用法，有关不定...

知识点1:否定式的常见缩写形式

系动词be、助动词、情态动词的否定形式一般可以缩写成为一种简略的形式。如：[1]情态动词,助动词,相关知识点

用作情态动词和助动词的willThat will be the postman at the door now! 现在门口准是邮递员来了!4. 表示命令，意为“要”“得”。如：You will carry out these instructions and report back this afternoon. 你要执行这些指示并于今日下午报告执行情况。5. 表示习惯或倾向性查看详情>>

is not—isn't are not—aren't
was not—wasn't were not—weren't
has not—hasn't have not—haven't
will not—won't would not—wouldn't[2]would单词记忆法

◆记忆方法一：联想方式：单词比较：would-world 世界r 将要u ru:入记忆方法：进入世界将要面对竞争。查看详情>>

shall not—shan't should not—shouldn't
do not—don't did not—didn't
ought not—oughtn't dare not—daren't
used not to—usedn't / didn't use to


知识点2:动词不定式的否定式[3]不定式,动词,相关知识点

这个could 后该接不定式还是动词原形(5) He spent every minute he could _________ spoken English.A. practise B. to practise C. practising D. practised【分析】此题应选 C，它与以上各题的情形均有所不同，虽然与上面的第(4)题的答案一样，均为动词的 –ing 形式，查看详情>>

4) The boy wanted to ride his bicycle in the street，but his mother told him ____.
A. not to　　B. not to do　　C. not do it　 D. do not to
答案：A。not to 为not to do it 的省略形式。可以只用to这个词，而不必重复整个不定式词组。及物动词do后应有名词、代词等，否则不对，因此B，D不对。[4]名词,动词,相关知识点

dislike 用作名词与用作动词的搭配异同She very much dislikes fish. 她很不喜欢吃鱼。It seems that John dislikes his boss. 约翰似乎不喜欢他的老板。若表示不喜欢做某事，动词dislike后接动名词作宾语，不接不定式（这与其反义词 like 不同）。如：He disliked working late. 他不喜查看详情>>

5) The patient was warned ___ oily food after the operation.[5]operation单词记忆法

◆记忆方法一：谐音：阿婆入神 阿婆入神处理业务。◆记忆方法二：词根词缀记忆法：operation n 操作；手术(operate+ion）,Oper=work ,表示“工作”查看详情>>

A. to eat no　 B. eating not　 C. not to eat　D. not eating
答案：C。warn一词要求后用不定式，此处为不定式的被动，否定形式为be warned not to do。


知识点3:现在分词的否定式的构成与用法[6]现在分词,用法,相关知识点

“have+宾语+现在分词”的六种用法I’ll have you speaking English in six months. 我要你六个月内就开口讲英语。用法四：表示容忍或允许某人做某事（用于否定句，尤与 won’t, can’t连用）。如：He won’t have boys arriving late. 他不允许孩子们迟到。I won’t have you smokin查看详情>>

英语现在分词否定式的构成方法是在现在分词前加否定词 not。
一、现在分词一般式的否定式
现在分词一般式的否定式为 not doing / never doing。如：
I sat at the back, never daring to speak. 我坐在后面，从不敢吭声。
Not liking mathematics, she gave it up. 她不喜欢数学，所以不学了。
Not being able to understand English, he didn't know what they wanted. 由于他不懂英语，他不知道他们要什么。[7]what,know,相关知识点

要学会疑问词加不定式的用法，特别要注意的是what是疑问代词，而how是疑问副词。如：I want to know what to do. (我想知道干什么)。 I want to know how to do it. (我想知道如何去作)。 要注意的是how to do it 中的it是不可少的，因how是疑问副词，不能作及物动词的宾语，而what是疑问代词，可做do的宾语，查看详情>>