Explanation:
We use subjunctive when:
We want to express a wish.
We want to express an emotion.
We want to express suggestion.
We want to express a command.
We want to express a condition.
We want to express a doubt.
We want to express something unknown.
Etc.
Examples:
Quiero que no tengas novia.
I wish you don’t have a girlfriend.
Siento que tengas frio.
I feel like you are cold.
Tal vez tenga frio.
Sometimes I’m cold.
Es bueno que...
It’s good to...
Es importante que....
It’s important to...
Anteayer era lunes. (i think it right)
Yo vivo la vida como artista