來源:網(wǎng)絡(luò)資源 2022-03-12 20:02:34
1) 兩個(gè)動(dòng)作如按順序發(fā)生,又不強(qiáng)調(diào)先后,或用then,and,but 等連詞時(shí),多用一般過去時(shí)。
When she saw the mouse,she screamed.
My aunt gave me a hat and I lost it.
2 ) 兩個(gè)動(dòng)作相繼發(fā)生,可用一般過去時(shí);如第一個(gè)動(dòng)作需要若干時(shí)間完成,用過去完成時(shí)。
When I heard the news, I was very excited.
3) 敘述歷史事實(shí),可不用過去完成時(shí),而只用一般過去時(shí)。
Our teacher told us that Columbus discovered America in 1492.
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