Practice is the key to improving your French, and just 15 minutes a day on some kind of French activity can make a huge difference. Check out these ideas and draw up your own schedule.
The DALF C1 will test you on the four language skills in French: reading, writing, listening, and speaking. Here's some info about what to expect as well as tips on how to prepare for the test.
Learn about the official French proficiency tests: DILF, DELF, and DALF.
In many words the letter e is potentially silent, a characteristic which has three French names: e caduc, e instable, and e muet. Though e muet is the most common term, e instable is the most accurate.
Learn French by following the adventures of Victor Hugo as he explores the Francophone universe. The humorous videos and comics are suitable for post-beginners aged 15 and up, and include a variety of accents as well as slang.
The imperfect subjunctive is a literary verb form, meaning that it's reserved for formal, written French - mainly literature, but also history and journalism.
In formal, usually written French, there are certain verbs and constructions that can be made negative with just ne - the inclusion of pas or some other negative word is not required.
Some liaisons in front of a vowel or h muet are optional, which means it up to you to decide whether to pronounce them. However, that decision matters: more liaisons means more formal speech, so obviously fewer liaisons means more informal, possibly even familiar speech.