Forming imperative with regular verbs
Singular: kauf(e)!
Plural familiar: kauft!
Plural polite: Kaufen Sie
If verb ends in d/t/m/n, add an e in singular
Eg Arbeite! Not Arbeit
Forming imperative with sein
Singular: sei!
Plural familiar: seid!
Plural polite: seien Sie!
Forming imperative with haben
Singular: hab!
Plural familiar: habt!
Plural polite: haben Sie
Use of commands/imperative
Imperative only has special forms for the second person
Eg Hans, sei doch nicht so dumm!
Usually are used with ‘mal’ or ‘doch’ to seem less harsh. Also used are ja, nur, ruhig and schon