apuntes 16

What's an infinitive? An unconjugated verb. The infinitive is also know as the base verb. You will always find the infinitive on vocabulary lists or in the dictionary.

Examples:
     hablar
     nadar
     bailar

An infinitive always ends in "r"

How to conjugate a verb? 1. Start with infinitive: 
       Hablar=to speak
2. Drop the last two letters of
  the infinitive to find the stem: 
       Habl-
Add new ending depending on subject of sentence:
 
Yo  -O  Nosotros(as)  -AMOS
Tú  -AS
Él
Ella     -A
Usted 
Ellos
Ellas     -AN
Ustedes 
example
Hablar
Yo hablo
I speak/I am speaking 
Nosotros(as) hablamos
We speak/We are speaking
hablas
You speak/You are speaking
Él, Ella, Usted habla 
He/She speaks/He/She is speaking
You (f) speak/You (f) are speaking
Ellos(as), Ustedes hablan
They speak/They are speaking
You guys speak/You guys are speaking
Practice Conjugate the following verb in all forms:
   Nadar
   Bailar 
Answers
Nadar
Yo nado
 
Nosotros nadamos
nadas
Él, Ella, Usted
     nada
 
Ellos(as)
Ustedes
     nadan

Bailar

Yo bailo
 
Nosotros
bailamos
Tú bailas
Él, Ella, Usted
    baila
 
Ellos(as)
Ustedes
    bailan