In English we use should / shouldn't /ought to / oughtn't to give advice. We use should / ought to to say something is a good thing to do and shouldn't / oughtn't to say something is a bad thing to do.
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Note : To ask for advice we can say: What should I do?
In English, "can" is a modal verb and only has a present, past and conditional form. It can also be used with a future meaning.
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Note : Can is not used to talk about specific possibilities.
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In English, could is used to talk about past ability/ permission/ possibility.
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"Be able to" can be used in the present, past, future, present perfect and as a gerund or infinitive.
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Note : be able to in the present and past is more formal than can or could.
In English we use might or may to say something in the future is possible, but not decided.
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To make questions with might we usually use Do you think...?
Example questions :
In English we can also use might in short answers.
Example short answers :
In English we use have to + infinitive to say something is necessary or obligatory. We normally use have to for a general obligation from an outside source, such as work or the law.
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In English we use don't have to + infinitive to say something is not necessary or obligatory. It means you can if you want to, but it's not necessary.
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To make questions we use do/does.
Example questions :
Form : ( Must + infinitive without to )
In English we use must + infinitive to talk about rules and obligations. We normally use must when the speaker imposes the obligation, such as a teacher to students, or even to yourself.
Form : ( Mustn't + infinitive without to )
In English we use mustn't + infinitive to say something is prohibited.
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Note : You can often use can't or be + not allowed to instead of mustn't.
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Note : Mustn't and don't have to have completely different meanings.
Mustn't Vs Don't Have To
Note : Have to is a normal verb and exists in all tenses whereas must is a modal verb and its only forms are must and mustn't.
You can also use have to and must for strong recommendations.
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In English we use must when we are sure something is true.
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In English we use may or might when we think something is possibly true.
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In English we use can't when we are sure something is impossible.
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Note : In this context, the opposite of must is can't, NOT mustn't!
In the past, can't, could, may, might and must for probability change to can't have, could have, may have, might have and must have + past participle (Verb 3).
In the past, should and ought to change to should have and ought to have + past participle (Verb 3).
Note : the form of "must" for obligation and "can" are exceptions.
Must for obligation changes to had to + infinitive
Can changes to could or was able to
Modal example sentences | |
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I see, can you get a month long holiday from work? | Capisco, puoi prenderti un mese di ferie dal lavoro? |
They might have some more in stock. | Potrebbero averne dell’altro in magazzino. |
I can understand that. | Posso capirlo. |
You shouldn't have woken her up in the morning! | Non avresti dovuto svegliarla la mattina! |
I'm sorry guys, I must have miscalculated the percentages! | Mi dispiace ragazzi, devo aver calcolato male le percentuali! |
I said it was a mistake, I was terribly sorry, what else could I say? | Ho detto che era uno sbaglio, che ero terribilmente dispiaciuta, cos’altro potevo dire? |
Umm, we can raise it just a little bit, like 50%. | Umm, possiamo alzarlo solo di un pochino, tipo il 50%. |
You could have brought the book directly! | Avresti potuto portare direttamente il libro! |
Maybe we can just borrow two slices of bread, then. | Magari possiamo prendere in presto solo due fette di pane allora. |
We can wander around till 7 or 8 and have some drinks, maybe. | Possiamo girovagare fino alle 7 o 8 e bere qualcosa, magari. |
I'm already doing all the donkey work, how else can I help? | Sto già facendo tutto il lavoro pesante, come altro possa aiutare? |
Yes, but don't touch it, it must be very hot. | Sì, ma non toccarlo, deve essere molto caldo. |
Yeah, maybe next time you can put that as a note on the ad. | Già, magari la prossima volta puoi mettere quella nota sull’annuncio. |
When can I pick up my money?! | Quando posso prendere i miei soldi?! |
Umm... I'm sorry, but I can't find a booking in that name. | Umm… Mi dispiace, ma non trovo una prenotazione a quel nome. |
You should, it might be more helpful to find some houses around here. | Dovresti, potrebbe essere utile per trovare qualche casa qui in giro. |
Um, sorry, I don't have the ad number, where can I find it? | Um, mi dispiace, non ho il numero dell’annuncio, dove posso trovarlo? |
Can he walk properly now? | Riesce a camminare bene ora? |
You must be joking! | Stai scherzando! |
I have finished my wine, we can leave any time you want. | Ho finito il vino, possiamo andare quando vuoi tu. |