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Learn English > English lessons and exercises > English test #107099: Ought to - Should
Ought to - Should
OUGHT TO : Is also a modal auxiliary (sometimes called 'semi-modal' or 'quasi-modal'); it has the same value as 'should' with more insistance on a moral duty.
1) Ought to is used to speak about things which are desired or ideal :
ex : We ought to eat lots of fruit and vegetables every day.
2) In the past, Use ought to have + V in the past participle to express desired or ideal things in the past but which aren't realised. It can also express a regret.
ex : We ought to have closed the gate. Then the dog wouldn’t have got out.
3) Ought to is also used to express what is likely to happen :
ex : The concert ought to last about two hours, so we’ll be home by 12 pm.
4) The very formal and rare forms : The negative and the interrogative forms of 'ought to' are not frequently used.
DO NOT HESITATE TO USE SHOULD.
* The negative form = ought not to = oughtn’t to ; and the interrogative form = ought + sujet + to + V ?
ex : You oughtn’t to have said that about his mother. = You shouldn't have said ...
ex : Ought we to call the police ?= Should we call ...?
A tessera (plural: tesserae, diminutive tessella) is an individual tile in a mosaic, usually formed in the shape of a cube.
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