[QUOTE=marteliza;738123]Hello fellow English teachers ! Iīm so glad I found this forum, I usually have many doubts about teaching English grammar and not sure how to explain certain things. I am sure this forum will help.
The other day I had a student ask me what the difference is between "for" and "to" in the following phrase:
I would like a copy of your company catalogue. We are very interested in the information (in order) to study the price of your products.
My student made the mistake of using "for" and "to" together, for example:
...the information for to study the price of your products"
I corrected him by giving him the correct version, (...to study the price ) and telling him that he canīt use "for" and "to" together, to not use "for" in front of the infinitive to study. He asked if you can say the following:
... the information for studying the price of your products
How can I explain that you canīt use "for studying" in this sentence?
If anyone can help, I would be grateful,
Please do not explain that he cannot use "for studying" in this sentence. Swan, in his excellent "Practical English Usage" tells us that "for can be used before the -ing form of the verb to explain the 'purpose' of an object (i.e.'what it is used for')." "The altimeter is used for measuring height above sea-level."
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