French language Q&A Forum

the lesson says "Adjectives modified by adverbs with 2 or more syllables"
And the lesson made an example:
"Compare these examples with the following counter-example containing a one-syllable adverb:
un très joli manteau
a very pretty coat"

Based on the information the lesson provided, I assumed "une histoire très intéressante" wouldn't be right.
I saw other questions on this, but none really explained the rule.

Is it because besides having one-syllable adverb, the adjective also have to be one of those that are put before the verb?

These exercises are so helpful. Could please explain the usage of "en" in the phrase "Si j'en avais les moyens?" Why is not simply "Si j'avais les moyens?" 

In what part of this sentence could you add "nearly", and what is the word for this? If I said, "My parents have been married for 20 years", or "Mes parents sont mariés il y a vingt ans", how would I say "My parents have been married for nearly 20 years" ? Does this require a different expression entirely? For context, I would be explaining that their wedding anniversary is next month.

How do you know whether to use "depuis" or "il y a" to express a period of time. These lessons have had "J'habite à Paris depuis cinq ans" and also "J'ai mangé il y a un heure"

How to describe someone more 

It really sounds like 'Telle conversation passionnante' rather than 'quelle'. Am I mis-hearing it ?

Especially those with "que" followed by noun.
I can still wrap my mind around and understand "Qu'est-ce que c'est?", but "Qu'est-ce que c'est que un stylo", how are they connected with "que"? 

Forgive me if I wrote some sentence wrong, it's really kind of weird for me to remember 😂

"ce sont des filles"