The infinitive form of the word is 'caminar', which means 'to walk'. When you conjugate verbs that end in '-ar' to present tense forms, you have to remember to use an '-a' instead of an '-e'. It's hard to memorize at first, but you can hover over each verb to look up the different conjugations.
You are right. I like this for verbs http://conjugador.reverso.net/conjugacion-espanol-verbo-caminar.html
There isn't. I kept messing up by rushing and putting "your shirt" lol. Andar is to walk as well. That's what I was taught in Spanish class growing up so it threw me off pretty bad as well.
how is this lesson any different from the previous lessons?
We are still learning simple present only right?