1. Affirmative tú commands
Unit 3B

2. What is it?
To tell someone to do something, you use the affirmative* command. The "tú" form means that you are talking directly to a person you are familiar with. For example, family, friends or someone who is younger.
* tell someone what to do

3. Mandatos -ER/IR -AR Verbs end with -e Verbs end with -a
Note that regular affirmative tú commands use the él/ella/usted present indicative form of the verb.
-AR
Verbs end with -a
Ex. Drive! ¡Maneja!
-ER/IR
Verbs end with -e
Ex. Run! ¡Corre!
Write! ¡Escribe!

4. Stem-changers and spelling changers
Verbs that stem-change for él/ella/usted will carry on that stem-change in the command form.
Ex. Cerrar: ¡Cierra la ventana!
Verbs that have a spelling change for él/ella/usted will carry on that spelling change in the command form.
Ex. Incluir: Incluye tu nombre en el papel.

5. Punctuation
Since the verbs are conjugated in the same way in the present indicative, you can use punctuation to show you are using a command.
ex.
Compra la camisa. S/he/you formal buys the shirt
¡Compra la camisa! Buy the shirt!

6. ¡Pruébalo!
Escribe tres mandatos afirmativos.