French language Q&A Forum

How do you know if a word requires avoir or être in passé composé like for eg finir how do we know if it requires avoir or être when you see the word 

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If the sentence  is "Elle finira en prison pour avoir tué son amant." ....why does the English translation say "She will end up in prison for killing her lover" and not 'She will end up in prison for having killed her lover"....?

- rose (pink) of course !

I see the origins of fauve (a fawn), mauve (a mallow) and rose (the flower) - but what are the things that écarlate, incarnat and pourpre are named after? Aren't these last three just standard  colour names?

My keyboard is not French, how can I type french letters, i.e. accent grave?

Please could someone explain why "d'" is used? Why isn't it: et une belle enveloppe decoree? (Please forgive lack of accents within decoree)

The link leading from: numbers from 70 - 999 to: numbers from 31 - 39 doesn't work stating it is an old link that was missed out

Hello, can you explain more of the difference between "revenir" and "retourner"? I was using "Je revenais à Toulouse" and "Je retournais avec une valise" but it appears to be the opposite. Thank you. 

Why was the Imperfect tense used in this exercise?  How do I recognise when it should be used?