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How do you know when to use the perfect tense or the imperfect tense?

Both the imperfect and the perfect tense are used to talk about something that happened in the past. However, the imperfect tense tends to refer to things that happened over a period of time in the past. For...
AQ
Answered by Abigail Q. • French tutor
2154 Views

Which verbs take être in compound tenses?

At school, I was taught MRS VANDERTRAMP, like most GCSE classes. However, whilst on work experience in France, my host family taught me an extremely catchy song (that I sing to this day!), which I find much ...
AM
Answered by Alexandra M. • French tutor
2521 Views

How should I structure my essay in the A2 written paper?

Structuring an essay can be a very subjective thing, there are always a few basic rules to remember - especially when you're under the time pressures of an exam! Introduction - This is where you address the ...
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Answered by Alexandra M. • French tutor
2626 Views

Solve 3x^2 + 6x – 2 = 0 Give your solutions correct to 2 decimal places.

3x 2 + 6x - 2 = 0 When we have a polynomial with powers of x up to 2 (a quadratic equation) we can apply the quadratic formula : -b ± root(b 2 -4ac)/2a where your equation is in the form ax 2 + bx + c 0 so a...
MS
Answered by Maya S. • Maths tutor
9630 Views

Could you help me to understand how DNA replication works?

In order to answer your question let's separate replication process into steps. Step 1: Unwinding of double-stranded DNA The first step of DNA replication involves binding of helicase enzyme that unwinds and...
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Answered by Raminta K. • Biology tutor
2419 Views