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How do I know when a verb uses être or avoir in the present perfect?

The verb "avoir" is almost always used as an auxiliary for the present perfect/passé composé. However, when the main verb indicates movement or when it's reflexif (uses a "se") we use...

PP
Answered by Pilar P. French tutor
2071 Views

How do I write a good essay?

First read the question carefully and underline key words. Your argument should be along the lines of the main subject, so first identify which one it is.Once you have done that, decide on which aspect of...

PP
Answered by Pilar P. English tutor
1731 Views

When do I use the subjunctive?

In order to know when we should use the subjunctive, we have to look at the context and the words that come with the verb. We use the subjunctive when there's uncertainty or doubt, when talking about a wi...

PP
Answered by Pilar P. Spanish tutor
1811 Views

let p be a polynomial p(x) = x^3+b*x^2+ c*x+24, where b and c are integers. Find a relation between b and c knowing that (x+2) divides p(x).

We know that (x+2) divides p(x), therefore p(x) can be written as p(x) = (x+2)q(x) + 0, where q is another polynomial of degree 2. We can calculate then p(-2): p(-2)= ((-2)+2)q(-2) = 0;p(-2)= (-2)...

TS
Answered by Tina-Alina S. Maths tutor
3765 Views

Explain the role of enzymes in the process of DNA replication in prokaryotes

A variety of enzymes are involved in the process of DNA replication. For replication to occur each strand of DNA must be separated from the other, a result of its double helix structure and the hydrogen b...

HJ
34475 Views

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