Definitions of to.

 Preposición

expressing motion in the direction of (a particular location).

"walking down to the mall"

Identifying the person or thing affected.

"you were terribly unkind to her"

Identifying a particular relationship between one person and another.

"He is married to Jan's cousin"

Indicating that two things are attached.

"He had left his bike chained to a fence"

Concerning or likely to concern (something, especially something abstract).

"A threat to world peace"

Governing a phrase expressing someone's reaction to something.

"To her astonishment, he smiled"

Used to introduce the second element in a comparison.

"It's nothing to what it once was"

ADVERBIO

So as to be closed or nearly closed.

"He pulled the door to behind him"

Used with the base form of a verb to indicate that the verb is in the infinitive, in particular.

Used without a verb following when the missing verb is clearly understood.

"He asked her to come but she said she didn't want to"

EJEMPLOS

-It is in the phone company's interest to get more homes linked to the Internet at very high rates of speed. / Es en el interés de la compañía telefónica para obtener más hogares conectados a Internet a altas velocidades.

-I hope the hotel is to your liking / Espero que el hotel sea de su agrado

-But either way they won't give money to us. / Pero de cualquier manera no le dará dinero para nosotros.

-This disease can lead to death / esta enfermedad puede llevar a la muerte

-forty miles to the south of the site / cuarenta millas al sur del sitio

-You were terribly unkind to her / usted era terriblemente cruel con ella.

-She gave the book to a student / ella dio el libro a un estudiante

-There's a buffet at lunchtime, with plenty of good salads and dips, or the chef will cook a stir-fry to order. / Hay un buffet a la hora del almuerzo, con un montón de buenas ensaladas y salsas, o el chef cocinará un sofrito a la orden.

-It's five to ten / Es de cinco a diez.

he gave them an invitation to the wedding /él les dio una invitación a la boda

Alberto is single, while Ernesto is committed to his pretty, aristocratic girlfriend. / Alberto es única, mientras que Ernesto está comprometido con su linda, novia aristocrática.

-A scale of one inch to the mile / una escala de una pulgada a la milla

-Do you walk to school? / Se puede caminar a la escuela?

-She was close to tears / Ella estaba a punto de llorar

-A prelude to disaster / Un preludio de un desastre

-On the other corner, a dozen or so balloons are tied to a pole. / En la otra esquina, una docena de globos se atan a un poste.

-They are inextricably linked to this island / están indisolublemente vinculados a esta isla

-He had his back to the door / Él estaba de espaldas a la puerta

-If you fly into wind you will get much less mileage to the litre. / Si usted vuela en el viento obtendrá mucho menos kilometraje que el litro.

-The table was screwed to the floor / La mesa estaba atornillado al suelo

-Louis was required to renounce all claim to the English throne and to restore the charters of liberties granted by King John. / Louis estaba obligado a renunciar a toda pretensión al trono Inglés y para restaurar las cartas de las libertades otorgadas por el rey Juan.

-He walked in to the sound of the pipes / Anduvo en el sonido de las tuberías

-The medals were handed out to the winners / Las medallas fueron entregados a los ganadores.

She was close to tears / Ella estaba a punto de llorar.

-This team is second to none / Este equipo es insuperable

-Turn your face to the wall / Vuelve tu rostro hacia la pared

-Best wishes to you all / Mejores deseos para todos ustedes

-Tom told him a story about a parolee who stole a car to get back into jail because he preferred it to home. / Tom le contó la historia de un preso en libertad condicional que robó un coche para volver a la cárcel porque lo prefería a casa.

-I wish you hadn't drawn attention to it. / Me gustaría que no hubiera llamado la atención sobre él.

-Karen, on the other hand, is a good friend to Daniel, whose young wife has just passed away. / Karen, por el contrario, es un buen amigo de Daniel, cuya mujer joven acaba de fallecer.