Hi, There's no real difference. I suppose you could argue that I can do something does not mean I actually do something , but it's an unlikely interpretation of your sentence. Clive
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CliveHi, Yes. But when you use the word 'lineage', to me it suggests you are from a noble family. I usually hear eg 'I can trace my ancestors back to . . . ' CliveSo, the usual combination is "can trace", nor "trace"?