9 Answers

3 Vote

schub

I am not sure I understand the question...

hay que = it is necessary to

tengo que = I have to

I think you mean "comprarlo" (buy it)?

So, I would think "tengo que comprarlo", might be what your are looking for. "I have to buy it".

Nov 2, 2009
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3 Vote

caza

Hay que + infinitive is used for something that is general - Para bueno salud hay que comer verduras. For good health it is necessary to eat vegetables.

Tener que + infinitive + conjugations is something more personal. - Para bien salud tengo que comer verduras. For good health I must/have to eat vegetables. Para bien salud tiene que comer verduras. For good health he/she must/has to eat vegetables.

Bien might not be the correct word - I tend to get bien/bueno muddled up but this is the general use of Hay que and Tener que

Nov 2, 2009
| Edited by BellaMargari May 26, 2010
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In general bueno is good adjective when used as a filler then bueno equates nicely with well. - BellaMargari May 26, 2010 flag

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2 Vote

lia2009

Well I'm pretty sure "Hay que" is it's necessary to and "tener que" is to have to... I dunno if that will help you.

Nov 2, 2009
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2 Vote

nathanvictor

"Hay que" is impersonal, lit. "one must buy it", or rather more naturally, "it must be bought". I would use this if I were very enthusiastic about buying something I really wanted - "I must have it!!!", you know the sort of thing. "Tengo que" means "I have to buy it" - it implies that you actually NEED it. Hope this makes sense - it's a very subtle nuance, if at all noticeable then only very slightly...