In these examples the evidence shows what you suspect, but there's a possibility that could prove your conjecture wrong. It can also be used to state a deduction of what must follow in a particular case: If he had been to the club, then he must have seen her. In that case you would have to say 'As the fire alarm had gone off, the clerks should have been in the garden'. She must havesomething to say to him otherwise why would she look so restless and uncomfortable in his presence? The past conditional “could have been,” “should have been,” and “would have been” structures often get skipped over in class. Could + have is often shortened into “coulda” when speaking but not in writing. Although every sentence tells a story, some only require a scant number of words while others give a fuller description with commas and clauses. While we cannot always answer every single one in detail, we really appreciate hearing from you and some of your inquiries make for great lesson ideas. The ground itself was blackened and burned, and was several feet lower than it … I disagree on the point about possibility. How do I report speech containing “must not”? We use would have been is used to explain the logic of events. Here are some examples: The lock is broken. 3. First of all, let’s take a moment to talk about pronunciation. In the above example, if I had not been sick. You may have heard someone say a sentence using the words, “must have been.” This is not a past conditional structure, but rather it is in the present perfect. By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. – Peter Shor. Someone from the church or clinic must have been by and brought it for Alex. Importance of “gerade” to express “just about to”. rev 2020.11.24.38066, The best answers are voted up and rise to the top, English Language & Usage Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. “I coulda been a contender” is a famous line from On the Waterfront, a classic 1954 movie. He must have been overwhelmed with the responsibility - and guilt. 4. Be that must have been or any other phrase in the English language. “How have you been?” – click here for my lesson on how to answer this question like a native.. In these examples the evidence shows what you suspect, but there's a possibility that could prove your conjecture wrong. 2. 9000 ft.) is 15,000 feet high. Do more massive stars become larger or smaller white dwarfs? Would you like to know when you’re making a mistake? Must have been can be used in sentences. 2. they are somehow acting contrary to their employer's wishes if they are not in the garden. Are broiler chickens injected with hormones in their left legs? That said, must have been is used when you see some clear evidence and are sure that the thing you are going to talk about has actually happened, but you are still not 100% sure. This shows that you intended to be there but something came up that prevented you from going. One adjective for two singular nouns (same gender), Why do internal forces not affect the conservation of momentum. Are you looking for a way to improve your English? “It could have been a lovely evening, but I had a really bad headache”, “I could have been Queen, had I been born into the royal family”, “Who ate all the cookies? This puts forward that in a certain case ("he had been to the club"), then a certain fact would follow ("he saw her"), though in itself it doesn't state that he had been to the club, so it allow for both parts to be false; again what is expressed is a deduction about how one thing would follow from another. It is like “must” but weaker. In this video, Gabby will explain about could have been, would have been, should have been in English grammar. Here are some examples: The lock is broken. But it doesn't work with the second example. They seem quite complicated, but they don’t have to be! In the present or future tense, it can sometimes indicate a matter of fact ("what goes up, must come down") and sometimes of obligation ("you must pay your taxes"), or merely exaggerating what is not a necessity by describing it as such ("you simply must see the production of Coriolanus at the Donmar Warehouse if you're in London, it's superb")*. Example sentences: " Washing your hands in the restaurant industry is a must.