You could use
- lo siento no tengo una pluma.
- no tengo una pluma, lo siento.
- nomas tengo la que estoy usando.
Answer:
We have homework in class. (little)
Explanation:
Tenemos is the nosotros form of tener. so you could say "nosotros tenemos" but "tenemos" works because tenemos is the only way to say the verb tener in the nosotros form so people get what you mean when you just say tenemos
