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The following sentences come from a dictionary compiled by a Chinese teacher of English:
1. No one of you could lift it. (Grammar books tell us to use 'none of...'.)
2. He can be ill at any time. (We say 'He can be very careless/ill', but
can we say 'He can be careless/ill at any time'?
Are they correct English? Or do you native speakers say such things?