Creo que hay mucha gente que no sabe a quién votar en las próximas elecciones.I believe there are many people who don't know who they should vote for in the next election.
¿Hay dinero suficiente para construir la autopista? - Sí, creo que hay. Varias empresas están interesadas en financiarla.Is there enough money to build the highway? - Yes, I think there is. Several companies are interested in financing it.
Debe de haber mucha gente en el estadio. - Sí, creo que hay, es un partido muy importante.There must be lots of people in the stadium. - Yes, I think there are. It's a very important game.
¿Compro pan? - Creo que hay, pero no estoy segura de si será suficiente.Shall I buy some bread? - I believe there is some, but I'm not sure whether it'll be enough.