Example sentences of "[det] [noun pl] we do [adv] [vb infin] " in BNC.
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| 1 | For some purposes we do not need to know which modes of vibration are responsible for which IR or Raman bands , but sometimes we must go further , and assign the bands in the spectrum to particular modes . |
| 2 | One of the few things we do n't know , though , are their slogans . |
| 3 | ‘ When we hear such sounds we do not pay attention to things like pitch and timbre . |
| 4 | How long it took the different ancestors of these very different animals to evolve such tongues we do not know for there is no fossil evidence of any antiquity to tell us , but it must have been several million years . |
| 5 | There are too many forces we do not control — nor indeed seek to control . |
| 6 | We had the usual instructions that in the event of his death he should be buried here , and in those cases we do n't wait . |
| 7 | Whether the ancient amphibians overcame those difficulties we do not know . |
| 8 | As we explained in chapter 1 , for most variables we do not have such direct observations and can not therefore carry out the tests . |