One of the eight parts of speech, adjectives are a type of modifier; that is, they modify or describe nouns in a certain way, letting you know the size, shape, weight, color, nationality, or any of a myriad other possible qualities of nouns.
Auxiliary verbs are also known as helping verbs, because they help form compound conjugations. The key thing to remember about compound conjugations is that it's the auxiliary verb which conjugates for the required tense or mood; the main verb is always a past participle.
You probably know that 14 July is Bastille Day, but do you know what it's called in French? (Hint, it's not "jour de Bastille.") Do you know the history behind Bastille Day, or how it's celebrated in France? This page has links to everything you could possibly want to know.
Comparative adverbs are used to compare the relative superiority or inferiority of two or more things. This superior lesson will keep you from getting an inferiority complex. ;-)
In English, we use the modal "would" plus a verb to talk about actions that may or may not take place, usually depending on whether a certain condition is met. The French equivalent to this construction is a conditional mood with a full set of conjugations for every verb. The uses of these two constructions are very similar.
If you ever write letters, make plans, or request appointments, this lesson will be invaluable. There are a few little formulas to memorize in French, but otherwise, dates are very easy to talk about.