Elle est optimiste, c'est pourquoi elle rit toujours.

Breakdown of Elle est optimiste, c'est pourquoi elle rit toujours.

être
to be
elle
she
toujours
always
rire
to laugh
c'est pourquoi
that is why
optimiste
optimistic

Questions & Answers about Elle est optimiste, c'est pourquoi elle rit toujours.

How would we apply this lesson's mixed conditional (present condition, past result) to the ideas in this sentence?
We could say, "If she weren't optimistic, she wouldn't have laughed." Following the si + imperfect -> past conditional rule for a present condition with a past result, this becomes: Si elle n'était pas optimiste, elle n'aurait pas ri.
Can I just say c'est pour ça instead of c'est pourquoi?
Yes! C'est pour ça (or the slightly more formal c'est pour cela que) and voilà pourquoi are excellent, common alternatives. C'est pourquoi is somewhat formal and works beautifully in writing, while c'est pour ça is what you will hear most often in everyday conversation.
Why is toujours placed after the verb instead of before it like in English?
In English we say "she always laughs," putting the adverb before the verb. But in French, short and common adverbs like toujours, souvent, and jamais must directly follow the conjugated verb. Therefore, it has to be elle rit toujours.
Can I just use pourquoi by itself here to mean "that is why"?
No, pourquoi alone is generally used as a question word meaning "why." To mean "that is the reason why" in a statement, you must use a set phrase like c'est pourquoi (literally "it is why").

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