1) 两个动作如按顺序发生,又不强调先后,或用then,and,but 等连词时,多用一般过去时。
When she saw the mouse,she screamed.
My aunt gave me a hat and I lost it.
2 ) 两个动作相继发生,可用一般过去时;如第一个动作需要若干时间完成,用过去完成时。
When I heard the news, I was very excited.
3) 叙述历史事实,可不用过去完成时,而只用一般过去时。
Our teacher told us that Columbus discovered America in 1492.
国际英语资讯:4 killed, 450 wounded in clashes with Israeli soldiers in eastern Gaza: medics
国际英语资讯:UN Mideast envoy warns of danger of war in Gaza
World Health Day 世界卫生日
Fancy the original or movie ones? 原著还是电影?
国际英语资讯:Chemical weapon inspectors enter Syrias Douma on debut inspection
国际英语资讯:Zimbabwean president urges officials to adopt new culture for economic growth
World Sleep Day 世界睡眠日
国际英语资讯:Clashes with Israeli soldiers in eastern Gaza kill 3 Palestinians
国际英语资讯:Spotlight: Trump tweets support for U.S. pastor on trial in Turkey on spying
国际英语资讯:500 Syrian refugees return from Lebanon
国际英语资讯:Interview: SCO summit key in terms of high level political dialogues for members: Azerbaijan
The Guards of People 人民的守护者
Be Happy About Helping Others 助人为乐
国际英语资讯:Russia, Iran, Turkey praise contribution of Astana talks to Syrian settlement
国际英语资讯:Russia sends military police to Syrias Douma
国际英语资讯:Venezuelan president launches reelection campaign
The Building of National Forest Park 国家森林公园的建设
Traditional Culture 传统文化
国际英语资讯:EU to improve road connections with BiH and region: EUs Tusk
国际英语资讯:Saudi-led coalition says Houthis deny entry of humanitarian ships to Yemen port
The Booming Movie Market in China 中国电影市场的蓬勃发展
国际英语资讯:U.S. Senate confirms Pompeo as secretary of state
国际英语资讯:Indian PM in Berlin for exchange of views with Merkel
国际英语资讯:Moon, Kim pledge complete denuclearization, signing truce into peace pact by 2018
国际英语资讯:EU to continue supporting Greece face refugee challenge: EU Commissioner
The First Snow 第一场雪
国际英语资讯:Iraqi Shiite pilgrims end major ritual under tightened security
国际英语资讯:Ecuador to stop hosting Colombia-ELN peace talks
Fathers Day 父亲节
The Ways to Get Sleep Quickly 快速入睡的方法
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