CONJUNCIONES
Conjunciones condicionales
As long as nos dice que algo ocurrirá sólo si otra cosa también ocurre
She'll come as long as she thinks John is going to be there.
I'll tell you as long as you promise not to tell anyone else.
u ocurrirá si nada se lo permite
He'll pass all his exams unless he makes a stupid mistake.
They'll be here at six, unless they miss the train.
Unless sugiere que algo no ocurrirá si no se da una determinada circunstancia
She won't tidy her room unless you help her.
I won't go unless she pays.
Conjunciones causales
También podemos utilizar because of + un sujeto
The match was cancelled because of the heavy rain.
En un inglés más formal, se puede sustituir because por as o since, que suelen situarse al principio de la frase
Since there's no time left we'll have to postpone it.
As it was raining we didn't go out.
Las conjunciones causales explican por qué ha ocurrido algo e introducen la razón de una circunstancia. Con este fin empleamos because
We went to buy some cheese because we were going to make a pizza.
Conjunciones de propósito
For puede expresar propósito en dos casos específicos
for + verbo en _ing para describir la utilidad de un objeto
A toothbrush is for cleaning your teeth.
A hammer is for hitting nails.
for + sujeto para dar a conocer un objetivo
They will go for a run
We went out for a drink
También podemos emplear so that para expresar un propósito. Después de so that es necesario añadir una cláusula entera
She opened the door so that the cat could come in
Podemos acompañar un infinitivo de in order o so as, cuyo uso es opcional
They are coming tomorrow (so as) to prepare for the conference.
She left early (in order) to catch the last bus.
El infinitivo puede expresar un propósito
She ran home to be in time for the match
He closed the door to keep warm
Conjunciones consecutivas
Podemos utilizar las conjunciones so/that's why para explicar las consecuencias de una situación o acción
He thought it was going to rain, that's why he's got an umbrella with him.
It was freezing cold so we went inside.
Conjunciones de modo
Empleamos as if para indicar que algo parece ser verdad aunque no lo sea
He acts as if he is the boss.
They look as if they've come from a fancy dress party.
She looks as if she's been awake all night.
Si deseamos hacer una comparación de igualdad con un sujeto, utilizaremos like
She's like a Greek goddess.
He looks a bit like a rock star from the seventies.
Empleamos as como una conjunción de igualdad. En estos casos, as va seguida de una clausula entera.
He's an excellent cook, as his mother used to be.
Conjunciones de contraste
Se puede introducir una clausula entera si añadimos the fact that
Despite the fact that he had been on a do-it-yourself course he couldn't fix the cupboard.
In spite of the fact that she had three alarm clocks she still didn't get up in time
despite o in spite of + sujeto
Despite their difference in age they decided to get married.
He finished off the cake in spite of his diet.
Si queremos dar más énfasis a la frase, podemos añadir even delante de though
Just keep saying 'yes', even though you don't understand.
even though she hasn't really revised enough she's going to do the exam.
although y though
He is Spanish, though he can speak English and German fluently.
Although she had been working all night she wasn't tired.
Las conjunciones and/but/or
Empleamos or para presentar una alternativa o posibilidad
You can have chicken or steak.
We can go by train or we can go by bus.
But subraya el contraste existente entre dos clausulas o dos términos
We are poor, but happy.
He's not really intelligent, but he's very attractive.
And une o enlaza dos cláusulas o dos términos separados
She bought a pair of trousers and a jacket
I went to the lake and I went to the river
