1. dile a tu amigo: don’t open the door. 2.diles a tu amigo: don’t take the bus. 3. dile a tu jefe: speak slowly. 4. dile a tu hermana: go slowly.

These sentences need to be translated in the imperative mood. We use this mood to tell someone to do something in a direct manner. Put another way, sentences in the imperative mood are commands.

don’t open the door translates into No abras la puerta in this context. In this way, abras is the conjugation of the verb abrir used when telling someone what I want him or her not to open in an informal way. Since I want my friend not to open the door, I use an informal way, and this informal way is determined by the conjugation of the verb.

don’t take the bus translates into No tomes el autobús in this context. In this way, tomes is the conjugation of the verb tomar used if I want to tell someone what I want him or her not to take in an informal way. Since I want my friends not to take the bus, I use an informal way. Notice that conjugations of verbs in informal way often end in s.

Speak slowly translates into Hable despacio in this context. In this way, hable is the conjugation of the verb hablar used if I want to tell someone that he needs to speak slowly in a formal way. We choose hable because I am addressing my boss. So I need to show high regard for him.

anda lentamente

go slowly translates into anda lentamente in this context. In this way, anda is the conjugation of the verb andar used if I want to tell someone that he needs to go slowly in a informal way.  Since I want my sister to go slowly, I choose an informal way. Other ways to say the same are: