知识点1:情态动词ought to的用法归纳
[1]ought单词记忆法◆记忆方法一：ought aux.(to + inf.)应当,应该解析：ought to do sth.应该做什么
That ought to be enough food for all of us. 那些该够我们大家吃的了。
(2) ought to +进行式，表示对正在发生的情况的推测。如：
You oughtn’t to be talking so much. 你不该讲这么多话。
You ought not to be sitting here. It’s for old man only. 你不该坐在这儿，这是老人专座。
You ought to be wearing your shirt. 你该穿衬衫。
[2]shirt单词记忆法◆记忆方法一：联想方式：shi湿的；rt肉体湿的衬衫紧贴肉体◆记忆方法二： 分析：shir——“诗人”的拼音；t—形状像伞； 记忆方法：诗人喜欢的雨伞是用衬衫做成的。◆记忆方法三：联想方式：shi湿的；rt肉体记忆方法：湿的衬衫紧贴肉体
(3) ought to +完成式，表示对过去情况的推测；也可表示过去本该发生而实际上未发生的情况：
The table-tennis game ought to / should have finished by now. 乒乓球比赛现在应该已经结束了。
[3]should,have,相关知识点should have V-ed ...句型结构分析语法讲解：句子成分、什么句型句法，怎么用什么意思 The drama drew a capacity audience; you should have gone to see it. 这出戏吸引了满场观众；你真该去看的。
There are many books which I ought to have read, and still ought to read. 有许多书我过去就应该看的，现在还应该看。
I ought to have helped her，but I never could. 我本该帮助她的，却从未能这样做。
You ought to have come earlier. 你本该来得早一点儿。
She ought to have been a teacher. 她本该当教师。
[4]have been,have,相关知识点 have been to / have been in / have gone toⅠ. have been to … 表示：“曾经到过某处”但目前人未在那儿。如：① Where have you been? 你到哪儿去了？（现在已回来）I have been to Beijing. 我去北京了。（现不在北京）② I have never been there before,
4. ought to用于否定句和疑问句
[5]否定句,疑问句,相关知识点there be的否定句与疑问句[1]there单词记忆法◆记忆方法一：联想方式：t-天；here-很热那儿天气很热◆记忆方法二：联想方式：t-天；here-很热记忆方法：那儿天气很热查看详情>>Is there room for me in the car? 车子里还有我坐的地方吗?Are there any letters for me? 有我的信吗?若谓语中包括有助动词或
在否定式中用ought not 或oughtn’t，在疑问中将ought提到主语之前。如：
They ought to go now, oughtn’t they? 他们现在该走了，是吗?
Ought we (to) be in Taipei by now? 他们现在大概已经到北京了吧？
—Ought I to go? 我该去吗?
—Yes, you ought (to). 对，你该去。
5. ought to与 should的用法区别
一般说来，二者可替换，只是ought to语气稍重些。如：
He ought to / should have arrived long ago. 他早就该到了。
[6]should,have,相关知识点should + have + 过去分词如果是否定式，则表示本来不该发生的情况却发生了。如：You shouldn’t have opened her letter. 你是不应该拆她的信的。She shouldn’t have stood in a queue. She should have got tickets from the machine. 她本来就不该去排队，她应
You should / ought to have come yesterday. 你应该昨天来的。
(1) 表示因责任、义务等或表示出于法令规则、行为准则、道德责任等客观情况该做的事时，常用ought to； should则含有个人意见，强调主观看法。如：
You are his parents. You ought to take care of him. 你们是他的父母，应当管他。
[7]parents单词记忆法◆记忆方法一：联想方式：pa怕；ren人；ts投诉父母最怕有人投诉儿女
ought to相关单词意思与记忆法：
ought to单词意思解释释义：
应该
ought to单词相关例句：The virtue of a man ought to be measured not by his extraordinary exertions, but by his everyday conduct. 人的品德不能看他一时格外卖力，而要看他的日常行为。
The highest possible stage in moral culture is when we recognize that we ought to control our thoughts.——Charles Darwin, British narurlist道德修养能达到的最高价段，是认识到我们应该控制我们的思想。英国博物学家 达尔文.C.
Everything ought to be beautiful in a human being: face, and dress, and soul, and ideas. ( Chekhov )—— 人的一切——面貌、衣着、心灵和思想，都应该是美好的。（契诃夫）
Thinking is , or ought to be, a coolness and a calmness; and our poor hearts throb, and our poor brains beat too much for that.——H, Melville, American writer and poet思考是或者应该是冷静沉着的；而我们可怜的心怦怦跳，可怜的脑子总是兴奋，使我们不能思考。美国作家、诗人 梅尔维尔 .H.
You ought to wipe your butt after pooping.
拉完粑粑应该擦屁屁。
Teachers ought to be honoured.
老师应当受到尊敬。
Teachers ought to be honoured.
老师应当受到尊敬。
They ought to finish ploughing the south field by tomorrow.
到明天他们应该犁完南边的一块地。
Friedman's early life ought to offer rich material to a biographer.
对一位传记作家而言，弗里德曼早年的经历应该会提供丰富的写作材料。
You ought to have a good rest now that you've finished the work.
既然已完成了工作，你就应该好好休息一下。
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