Hesselberg, George
when，while，as引导时间状语从句的区别 when，while，as显然都可以引导时间状语从句，但用法区别非常大。一、when可以和延续性动词连用，也可以和短暂性动词连用；而while和as只能和延续性动词连用。① Why do you want a new job when youve got such a good one already？（get为短暂性动词）你已...
When I was growing up, my family kept chickens. We always had about a dozen of them at any given time and whenever one died off – taken away by hawk or fox or by some unknown chicken illness – my father would replace the lost hen. He’d drive to a nearby chicken farm and retur...
Don’t count your chickens before they are hatched. 不要高兴得过早。 2. 用于It + be + 时间段 + before...句型中,意思是“在……之后才……”。例如: It will be five years before I come back. 我五年后才能回来。 It was not long before the enemy was driven out of their country. ...
② Please write to me as soon as possible.请尽早给我写信。（2）、as soon as 引导时间状语从句，表示“一……就……”。如果主句用将来时或情态动词或祈使句，从句必须用一般现在时代替将来时。如：I’ll tell him the news as soon as he comes.他一来我就告诉他那消息。She may come ...
when和while的区别 ①when是at or during the time that, 既指时间点，也可指一段时间；while是during the time that，只指一段时间，因此when引导的时间状语从句中的动词可以是终止性动词，也可以是延续性动词，而while从句中的动词必须是延续性动词。②when 说明从句的动作和主句的动作可以是同时，...
When Black got up in the morning, he often b___ to feed chickens. 2. After that, she sometimes picked up pieces of w___ to build houses for chickens. 3. Black liked walking outside and listening to the w___ blowing through the leaves in the afternoon. 4. When it was getting ...
The feral chickens of Kauai provide a unique opportunity to study what happens when domesticated animals escape and evolve. This is a preview of subscription content, access via your institution Relevant articles Open Access articles citing this article. Words matter: how ecologists discuss managed ...
我一直呆到太阳下山,天开始下雨了。 while 意为"而","却",,表示对照关系。例如： Instead, he asked his father why he was not able to hatch chickenswhile hens could. 他反而问他父亲,为什么他不能孵出小鸡,而母鸡却能。as soon as I'll tell him the news as soon as I see him....
aLong ago, when farmers wanted to sell chickens at the market, they would usually just throw the chickens in cloth (布) bags. But cats were cheaper than chickens at that time, so many farmers would put cats into the cloth bags but not chickens. One day, a woman asked a man for a ...