牛津实用英语语法 219 条件现在时

时间:2007-03-14 07:18:33

(单词翻译:单击)

A 条件现在时由would/should+动词原形构成(用于第一人称),或由would+动词原形构成(用于其他人称)。 肯定式:         I would/I’d work/I should work                you would/you’d work等 否定式:         I would not/wouldn’t work或                        I should not/shouldn’t work                        you would not/wouldn’t work等 疑问式:         would/should I work?                        would you work?等 否定疑问式:  should I not/shouldn’t I work?                        would you not/wouldn’t you work?等 B 这种形式用于: (a)条件句中。(参见第221节至第229节。) (b)would和should的特殊用法中。(参见第二十二章。) (c)过去将来时。当主句的主要动词是过去时的时候,从句中就必须用 would/should而不用 will/shall: I hope(that) I will/shall succeed. 我希望我会成功。 I hoped(that) I would/should succeed. 我曾希望我会成功。 I know(that) he will be in time. 我知道他会赶得上的。 I knew(that) he would be in time. 我当时知道他会赶得上的。 He thinks(that) they will give him a visa. 他想他们会给他签证。 He thought(that) they would give him a visa. 他本想他们会给他签证。 I expect(that)the plane will be diverted. 我料想飞机会改变航线。 I expected(that)the plane would be diverted. 我本料想飞机会改变航线。 (关于will/shall,would/should在间接引语中的用法,参见第三十一章。)
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