Estudiante

CLAUSES OF PURPOSE:

TO + infinitive: PARA

He phoned TO invite me to a party. (llamó PARA invitarme…)

=

IN ORDER TO + infinitive:PARA

He phoned IN ORDER TO invite me to a party. (llamó PARA invitarme…)

IN ORDER NOT TO + infinitive: PARA NO

I´ll take my umbrella INORDER NOT TO get wet. (PARA NO mojarme)

=

SO AS NOT TO + infinitive: PARA NO

I´ll take my umbrella SO AS NO TO get wet. (PARA NO mojarme)SO THAT + CAN / WILL / MAY : PARA QUE (PUEDA) (in present or future)

They are saving money SO THAT they CAN go on holiday.(PARA QUE PUEDANirse)
(present)

SO THAT + COULD / WOULD / MIGHT : PARA QUE (PUDIERA) (in past)

They were saving money SO THAT they COULD go onholiday.(PARA QUE PUDIERAN irse)
(past)

FOR + verb+ING: PARA (sólo cuando describe cómo se usa algo, para qué se usa algo)

Thisbutton is FOR STARTING the engine.

Glue is used FOR STICKING things.

IN CASE + SIMPLE PRESENT: POR SI (in present or future)

I´ll take anumbrella IN CASE it rains. (POR SI LLUEVE, POR LAS DUDAS)

IN CASE + SIMPLE PAST: POR SI (in past)

I took an umbrella IN CASE it rained. (PORSI LLOVIA, POR LAS DUDAS)

IF: SI

I’ll buy some dessert IF they come. (compraré postre SI vienen, es decir si vienen, lo compro, después deque vengan)

I´ll buy some dessert IN CASE they come. (compraré postre POR SI VIENEN, es decir lo compro antes, por las dudas que vengan)