Students often ask "how can I sound more French?" and my first recommendation is always to work on vocabulary. In French classes, you tend to learn the most common, basic terms, like bon, which is a typical and very useful adjective that tends to be overused. Read this lesson for some informal ways to say "good," including how to pronounce them.
Connectives are links: they combine words, phrases, or sentences. Connectives do not constitute a single part of speech, but rather a category of terms including all conjunctions and prepositions as well as certain types of adverbs and pronouns used in this way.