2. 否定句从意义上分为:部分否定和全部否定。例如:All the girls don't like bright colors.(部分否定,意思为:不是所有的女孩都喜欢鲜艳的颜色。)Not all the girls like bright colors.(意思同上)None of the girls like bright colors.(全部否定,意思为:没有一个女孩喜欢鲜艳的颜色。)
3. 运用否定句应注意的几个问题:
1)否定主语的否定词有:nothing,nobody,none,no,little,few,no one;
2)否定谓语的否定词有:not,never,hardly,scarcely,seldom;
3)否定宾语的否定词有:nothing,nobody,none,little,few。
4) 当主语是anything,anybody时,谓语动词不能用否定式,如果要否定,就要用全部否定no,例如:Anybody can't live without air.(错误)Nobody can live without air.(正确)
4. 部分否定与相应的全部否定:
部分否定 = 全部否定:all ... not = not all;none of ... = all;both ... not = not both;neither ... = not neither;everything ... not = not everything;nothing = not nothing;everyone ... not = not everyone;no one = not no one。
5. no与not的区别:no放在名词之前,not与动词连用。no是形容词,not是副词。例如:I have no orange.(我没有桔汁。)I do not have any orange.(我没有桔汁。)
练习题:
1. 将下列句子变为否定句:
2. They Heread scan swim English across every river.
3. We have practised the patterns many times.
4. It is necessary for him to improve his handwriting.
5. The teachers think the girls are playing basketball.
6. The girl knows some are playing to eat bread.
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