Expression equivalent to "as far/long/much as I/you X"


Is there an expression in Japanese that is equivalent to "as far/long as I/you
X", for example "as far as I know", "as far as I'm concerned", "as much as you
want", "as long as he is still alive" etc? Or perhaps are all those English
expressions expressed differently in Japanese?

Some example sentences:

  1. As far as I know, it only takes 15 minutes to travel from Kyoto to Osaka by bullet train.

  2. As far as I'm concerned, that kind of questions is not suitable to be asked here.

  3. Please take as much as you want. 

  4. He is working hard to achieve that golden dream of his as long as he is alive.

EDIT: One more expression: "as soon as possible"




Usually that construction is achieved by using 「限り」.

>   * 知る限り (as far as one knows)
>   * できる限り (as far as possible)
>   * 生きている限り (as long as one lives)
>   * 私に関する限り (as far as I'm concerned, i.e. "for my part [but I won't speak
> for others, because they disagree with me]")
>

The construction in your second sentence ("as far as I'm concerned") is
usually expressed with other expressions like 「私にとっては」or 「自分としては」.

Edit: "As much as one wants" is usually expressed as 「好きなだけ」. That だけ can be
used in other phrases, like 「必要なだけ」 (as much as one needs)




Usually that construction is achieved by using 「限り」.

>   * 知る限り (as far as one knows)
>   * できる限り (as far as possible)
>   * 生きている限り (as long as one lives)
>   * 私に関する限り (as far as I'm concerned, i.e. "for my part [but I won't speak
> for others, because they disagree with me]")
>

The construction in your second sentence ("as far as I'm concerned") is
usually expressed with other expressions like 「私にとっては」or 「自分としては」.

Edit: "As much as one wants" is usually expressed as 「好きなだけ」. That だけ can be
used in other phrases, like 「必要なだけ」 (as much as one needs)

