英语核心词汇详解happen, take place, occur辨析
happen, take place与occur
happen是不及物动词,作“发生”解时,可指偶然的事故,多用于客观事物情况的发生花净化空气,也可指有计划或无计划发生的事。一般以事件、环境、形势等作主语,表示“某人发生某事”时,须以介词to引出“某人”。如:
The accident happened at 5 o'clock. 事故发生在五点钟。
Whatever has happened to your arm? It’s all swollen。 你的手臂怎么了?肿得好厉害。
occur 基本意思是“呈现在视野、思想、意识中”,指有计划地使某些事“发生”,有时强调“呈现”于人的知觉中。occur常与介词to连用,意为“发生”“想起”等。
occur一般只用作不及物动词,含有“出乎意料”的意味,不可用于表达意料之中或计划之中的事情,也不与suddenly连用。
Did it occur to you to phone them about it?你难道没想到就这事给他们打个电话?
妃子墓当具体事物、事件作主语时,happen和occur可以通用。如:
The accident happened/occurred yesterday。 事故是昨天发生的。
The earthquake occurred/happened at dawn.地震发生在黎明时分。
take place 指事件发生,但常用来表示“举行”的意思,带有非偶然性,其后面一般不跟to sb./sth.指必然会发生的事情时,多用take place.例如:
The meeting took place last night. 会议昨晚举行。
Great changes have taken place in China.中国发生了翻天覆地的变化。横墙
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引导时间状语从句的连词:when, while, as, before, after, until, till, as soon as, since等。时间状语从句和主句的时态关系为:主句将来时从句现在时,主句过去时从句过去时。
1.before意为“在……之前”
You must finish your homework before your father comes back.
2. after意为“在……之后”,与before是反义词
The boys will go to the cinema after they have their dinner.页面颜色怎么设置
3. when 意为“当……的时候” 。谓语动词既可以是延续性动词,也可以是非延续性动词。表示从句的动作发生在主句的动作之前,之后,也可以同时发生。
His mother was cooking dinner when he got home.
When I get home, I always do my homework first.当我到家时,我经常先做作业。(到家在前,写作业在后。)
4. While意为“正当……时;正在……时”。 在while引导的从句中,谓语动词必须是延续性动词,表示从句动作和主句的动作同时发生。
减量Plea don’t talk so loud while people are reading.
He fell asleep while/as he was watching TV. 他看着电视睡着了。
As Millie sat down on the sofa, Amy came into the room.米莉坐在沙发上时,艾米走进了房间。
5.as表示从句动作和主句的动作同时发生,引导的从句中既可用延续性动词,也可用短暂性动词。
As I was walking along the bridge, my mobile phone rang.当我沿着桥走的时候,我的手机响了。
侧方停车最笨方法梦见脏水1、so意为“因此,所以”,后面接的句子表示结果
We didn’t have any money for a taxi, so we walked back to the hotel.