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.
Example sentences :
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.
Example sentences :
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.
Example sentences :
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.
Examples sentences :
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.
Example sentences :
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.
Example sentences :
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.
Example sentences :
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.
Examples sentences :
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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So you can choose something else, or I can get you a beer? | 네가 뭐 다른 거 시키게. 아님 맥주 주문해줄까? |
I don't think electric stoves can make the pan burn! | 전기스토브로 프라이팬에 불이 붙지는 않는다고 보는데! |
Yeah, so how can you set wood on fire? | 그렇지, 그리고 나무에 불을 지피려면 어떻게 하지? |
I'm not homophobic, but still you should've told me that before. | 호모포비아는 아니지만 그래도 말해줬어야지. |
Of course, but I can only peel the potatoes with a peeler. | 물론이지, 근데 난 감자깎이가 있어야 깎을 줄 아는데. |
Umm, can I do it after I smoke? | 음, 한 대 피고 와서 해도 돼? |
Can I get you some drinks to start with? | 우선 음료부터 가져다 드릴까요? |
After hearing the pooping story, I'm not sure I should offer this... | 똥 얘기를 듣고 나니까, 좀 주저되는 게 사실이지만... |
We can wander around till 7 or 8 and have some drinks, maybe. | 7-8시쯤 까지는 돌아다니면서 술이라도 몇 잔 할 수도 있지. |
That's nice, can we add some beer to it for me, also? | 괜찮네, 내가 먹게 쌀에 맥주도 좀 넣어줄 수 있어? |
Alright... Ah! I can see it now! | 그러죠... 아! 이제 찾았네요! |
Hmm, well, I guess I have to think about it. | 음, 글쎄, 생각을 좀 해봐야겠는데. |
You could have brought the book directly! | 책을 그냥 가져오지 그랬어! |
Yeah, maybe next time you can put that as a note on the ad. | 그래요, 다음 번에는 그 정보도 광고에 포함시키는 게 좋을 지 몰라요. |
I can't hear you, Mike! | 안 들려, 마이크! |
Sorry to interrupt your story, but I really have to go now! | 얘기 끊어서 미안한데 지금 진짜 가봐야 돼서! |
Can't you have the meeting another time? | 이 다음으로 회의를 미루면 되지 않아? |
By just paying a little bit more you could've rented a house in better condition. | 돈을 조금만 더 냈어도 네가 더 좋은 조건의 집을 얻을 수 있었을 텐데. |
Okay, can I have it with some barbecued scorpions on the side? | 좋아, 사이드로는 전갈 바베큐를 시켜도 될까? |
But I have to be in Brighton in the afternoon. | 오후까지 브라이튼에 가야 해. |