Des is the plural form, and de and d' are used when preceeded by a negated verb. Nouns usually precede adjectives which must match the noun in number and gender. There are subject pronouns, broken into number and person. The French differentiate between formal and informal uses of you. Elles is strictly a feminine reference.
Object pronouns precede the verb and are divided into direct and indirect objects.
Me M' Nous Second Person Te T' Vous Third Person Lui Leur Y and En are also considered object pronouns. Verbs are conjugated according to their infinitve ending, with different endings according to the person and number of its subject. Take the verb, regarder, to see, as an example. Most -er verbs follow the same format. The subjunctive is used to convey such emotions as desire, intention, and doubt.