一、過去進行時
過去進行時表示過去某時正在發(fā)生的動作, 也可表示過去某段時間內(nèi)正在發(fā)生或反復發(fā)生的動作。
Yesterday afternoon Frank Hawkins was telling me his experiences as a young man. (過去正在發(fā)生)
Bill was coughing all night long. (過去反復發(fā)生)
二、過去完成時
過去成時表示過去某時之前已完成的動作或狀況。在時間上, 它屬于“過去的過去”。在句中常有明顯的參照動作或有表示“到過去某時為止”的時間崐狀語。
By the end of the war, the small workshop had become a large factory.
They found that a stream had formed in the field.
過去進行時表示過去某時正在發(fā)生的動作, 也可表示過去某段時間內(nèi)正在發(fā)生或反復發(fā)生的動作。
Yesterday afternoon Frank Hawkins was telling me his experiences as a young man. (過去正在發(fā)生)
Bill was coughing all night long. (過去反復發(fā)生)
二、過去完成時
過去成時表示過去某時之前已完成的動作或狀況。在時間上, 它屬于“過去的過去”。在句中常有明顯的參照動作或有表示“到過去某時為止”的時間崐狀語。
By the end of the war, the small workshop had become a large factory.
They found that a stream had formed in the field.