







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.
Example sentences :
Note : Can is not used to talk about specific possibilities.
Example sentences :
In English, could is used to talk about past ability/ permission/ possibility.
Example sentences :
"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.
Example sentences :
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.
Example sentences :
In English we use may or might when we think something is possibly true.
Examples sentences :
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 | |
|---|---|
| Oh yes, I can see it now. | ओह, हाँ, अब मैं यह देख सकती हूँ। |
| We can ask the shop assistant first. | पहले हम दुकान के सहायक से पूछ सकते हैं। |
| They must be right. | वे सही कहते हैं। |
| We can do it whenever you like. | तुम जब चाहो हम यह कर सकते हैं। |
| But... Maybe, we can say it's like the sci-fi version of Pinocchio. | लेकिन... शायद, हम यह कह सकते हैं कि यह पिनोकियो के साइ-फाइ संस्करण जैसा है। |
| Umm, I guess it must be in zone-2... | उम्म, मुझे लगता है यह ज़ोन-2 में होगा... |
| You don't have to take me to a very fancy restaurant... | तुम्हें मुझे बहुत आलिशान रेस्टोरेंट में ले जाने की जरुरत नहीं है... |
| That's nice, can we add some beer to it for me, also? | यह अच्छा है, क्या हम मेरे लिए इसमें थोड़ा बियर भी डाल सकते हैं? |
| I brought one, maybe you should bring one, too. | मैंने अपना जैकेट लिया है, शायद तुम्हें भी एक रख लेना चाहिए। |
| After hearing the pooping story, I'm not sure I should offer this... | मलत्याग वाली कहानी सुनने के बाद, मुझे नहीं पता कि मुझे यह कहना चाहिए या नहीं... |
| I think we can let him explore the garden. | मुझे लगता है हम उसे बगीचे में घूमने के लिए छोड़ सकते हैं। |
| You know, the landlords should give you some kitchen utensils. | तुम्हें पता है ना कि मकान मालिकों को आपको कुछ रसोईघर के बर्तन देने चाहिए। |
| I'm sorry guys, I must have miscalculated the percentages! | माफ़ करना दोस्तों, मैंने प्रतिशत गलत जोड़ दिया होगा! |
| You shouldn't smoke where we sleep. | तुम्हें उस जगह सिगरेट नहीं पीना चाहिए जहाँ हम सोते हैं। |
| I'm very sorry! I couldn't let you know any earlier. | मैं बहुत शर्मिंदा हूँ! मैं आपको पहले नहीं बता पायी। |
| Of course, you can have whatever you want. | जरुर, तुम जो चाहो ले सकती हो। |
| I'm so sorry, I couldn't leave school on time. | माफ करना, मैं समय पर स्कूल से नहीं निकल पायी। |
| But I have to be in Brighton in the afternoon. | लेकिन मुझे दोपहर तक ब्राइटन पहुँचना है। |
| But I have to finish doing everything today. | लेकिन मुझे आज ही सारा काम खत्म करना होगा। |
| What do you mean by they can't get married legally? | वे क़ानूनी रूप से विवाहित नहीं हो सकते हैं से तुम्हारा क्या मतलब है? |