1i 00I am able02i 00 and 01i 00I can 02i 00are quite similar. Are there a few sentences in which you're not sure which to use? 0-
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01cite10New2grammar12cite11i10He can't 11font10have done12font10 it12i12br10No. CB 0-
12br
11i10Shouldn;t it be Couldn't have done it?12i12br
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