as

US /æz/
UK /æz/
"as" picture
1.

mientras, cuando

used to indicate that something happens during the time that something else is happening

:
He sang as he walked down the street.
Cantó mientras caminaba por la calle.
She watched as the children played.
Ella observó mientras los niños jugaban.
2.

como

used to indicate the function or character of someone or something

:
He works as a teacher.
Él trabaja como profesor.
She used the blanket as a makeshift curtain.
Ella usó la manta como una cortina improvisada.
3.

como, ya que

used to state the reason for something; because

:
As it was raining, we stayed indoors.
Como estaba lloviendo, nos quedamos en casa.
She couldn't come as she was ill.
Ella no pudo venir ya que estaba enferma.
1.

como, tan...como

to the same degree or extent; like

:
He is as tall as his brother.
Él es tan alto como su hermano.
It's not as easy as it looks.
No es tan fácil como parece.
1.

como, tal como

used to refer to the fact or situation that applies

:
He did as he was told.
Hizo como le dijeron.
You can go as you are.
Puedes ir tal como estás.