Example sentences of "[Wh adv] do [pers pn] know [adv] [pers pn] " in BNC.

  Next page
No Sentence
1 How do we know where they 've gone ? ’
2 However , there is a debit side as well : how do we know when we have reached the limits of predictability and ‘ bottomed out ’ on the residuum of free choice ?
3 This chain theory collapsed partly through its own incoherence under pressure — how do we know when we have got all the links ? — and partly because of the discovery of past faunas .
4 How do we know when it was written , and the date of the copy we possess ?
5 How do you know when you have an adequate backup ?
6 These examples illustrate the central problem of characterising chromosomal deletions — how do you know when you have identified the target gene ?
7 But how do you know when you 're eighteen , whatever , is a natural teaching ability or merely a wish to try it ?
8 How do you know when you 're getting low on batteries ?
9 How do you know when he wrote it ?
10 Take Lao-Tse 's celebrated question : ‘ If when I was asleep I was a man dreaming I was a butterfly , how do I know when I am awake that I am not a butterfly dreaming I am a man ? ’
11 How do I know when I 've found a sett ?
  Next page