Here are the basic rules for a conlang named Lihis : 
Sentences follow the SOV structure. It has the following vowels: a, e, o, u and i. It has the following consonnants: b c d f g h l m n r s v. Tenses are indincated by prefixes: no prefix for present, fic- for futur, vur- for past, vem- for imperative, vam- for conditional. Aspect is indincated by suffixes: no suffix for imperfect, -ar for perfect, -ur for continuous actions. Subject is indicated by suffixes: no prefix for the first person singular, -e for second person singular, -i for third person singular, -u for first person plural, -eu for second person plural and -iu for third person singular. Nouns, adjectives and verb roots begin and end  with a consonnant. Plural is indicated by the suffix -u. Theses are the cases to indicate relations between words: Nominative, Accusative, Genitive, and Ablative. They are indicated by suffixes: no suffix for Nominative, -a for Accusative, -am for Dative, -vam for Genitive and -vim for Ablative.
Create the basic vocabulary to describe a daily routine