Section_ⅣGrammar & Writing
语法图解
探究发现
①I am afraid you have not appreciated the urgency of the matter.
②In the short term, the medicine may not be very effective.
③The job does not require any formal training.
④This kind of fast food is not fit for my appetite.
⑤No horse has a speed comparable to that of his.
⑥I seldom go home after five o'clock in the afternoon.
[我的发现]
(1)以上例句中黑体部分构成句子的否定形式。
(2)句①③中黑体部分的构成特点是由助动词加_not构成否定。
(3)句②中黑体部分的构成特点是由情态动词加_not构成否定。
(4)句④中黑体部分的构成特点是由系动词加_not构成否定。
(5)句⑤中的 no 和句⑥中的 seldom 本身表示否定意义。
一、常用否定词
1.英语中否定含义的表达形式多种多样,可以用not, no, never, none, nobody, nothing, nowhere等否定词来表达否定之意。
Not many volunteers came to their rescue.
来帮助他们的志愿者不是很多。