Unit 2 Sports events Grammar and usage课件（牛津译林版必修4）-302edu教育资源网

Unit 2 Sports events Grammar and usage课件（牛津译林版必修4）

obligation

ought to/should

ought to与should意思接近，大多数情况下二者可以互换，但是should谈的是自己的主观看法, 用于各种人称。 ought to则更多反映客观情况，在谈到法律、义务和规定时使用。如： We should／ought to help each other and learn from each other in our work． You shouldn’t spend so much time playing. She is your mother, so you ought to support her． Ought he to go? Yes, I think he ought (to) .

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