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What is the difference between the imperfect and the preterite in Spanish?

The imperfect tense in Spanish is used to refer to an action that was ongoing in the past. For example, you would use the imperfect to say something like: Yo iba a tu casa cada semana. Note that this was an ...
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Answered by Irini P. • Spanish tutor
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How do you form the imperfect subjunctive in Spanish?

The imperfect subjunctive in Spanish expresses what the present subjunctive would, but is used when talking about a situation in the past. In order to form it, firstly you would need to take the third person...
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Answered by Irini P. • Spanish tutor
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Is there any rational number whose square is 2?

We all know the the square root of 2 is irrational. So, the answer should be no. But how do we prove it?Let's assume for contradiction that x 2 =2 and that x is rational. Then x can be expressed as a rationa...
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Answered by Andrei S. • Maths tutor
13583 Views

Is a positive integer even if its square is even?

Let's take a positive integer n.We can write it as a product of prime numbers:n=p 1 p 2 ...p r , where p 1 , p 2 , ..., p r are prime factors of n.Now, assume that n 2 is even. Then one of the p i equals 2. ...
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Answered by Andrei S. • Maths tutor
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How do I avoid using a robotic structure in my paragraphs, while also thoroughly analysing and embedding quotes?

Most students at GCSE are taught to use the structure of PEE (Point Evidence Explanation) in each of their paragraphs in order to construct their argument. However, A-level requirements differ, as examiners ...
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Answered by Jemma S. • English tutor
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