From 9:00 to 12:00,he has English class.
若表一般状况（他每天都是这样上课），就用has/take；若表示过去某件事（曾经某天他是这样上课），就把has/take改成had/took
During 9:00 to 12:00, he was in class.
He is studying between 9 o'clock and 12 o'clock.
He has classes from 9:00 to 12:00.
He spoke English from 09：00 to 12：00 in class.
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