Example sentences of "may [vb infin] [adv] long as " in BNC.

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1 It may take as long as 250 years to reach that height .
2 It may take as long as a week for all the caterpillars to make their chrysalises .
3 The eggs of other frogs and toads not adapted to ephemeral pools may take as long as six weeks to hatch .
4 The process may take 5 minutes , it may take as long as 15 .
5 It may take as long as an hour to return to port .
6 It is still often known as Norfolk reed ; and in contrast to ordinary straw thatch , which has a lifetime of thirty years at most , a well-laid thatch of Norfolk reed may last as long as eighty years .
7 Helpers approaching have sometimes been bitten or attacked wildly in the delirium that follows and which may last as long as twelve tormented hours .
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