过去完成进行时的用法讲解(过去完成进行时的用法)
过去完成进行时的用法讲解(过去完成进行时的用法)英语现在完成进行时的用法大全英语过去完成时的用法大全He had been working in a factory for years before he got this job.【推荐阅读】更多相关时态的用法,可参考下面的文章:
1、过去完成进行时
本课主要学习过去完成进行时,并对比了过去完成时的区别。如:
He had already finished work before I arrived.
He had been working in a factory for years before he got this job.
【推荐阅读】
更多相关时态的用法,可参考下面的文章:
英语过去完成时的用法大全
英语现在完成进行时的用法大全
Firemen had been fighting the forest fire for nearly three weeks before they could get it under control. | 1)fireman,消防员。相当于firefighter。 2)fight the fire,扑火。 3)可提问学生为什么fight要采用过去完成进行时(因为could get it under control已经是过去的动作,而fight the fire是在此之前发生的,而且过去三周一直在持续扑火)。 4)get...under control,控制住。 |
A short time before great trees had covered the countryside for miles around. | 1)a short time before,不久之前。注意before不能换做ago,否则后面的动词cover就要采用一般过去时了。 2)for miles around,方圆几英里。 |
Now smoke still rose up from the warm ground over the desolate hills. | 1)rise up from...,从...升起。 2)the warm ground,发热的地面。之所以发热,是因为刚刚经历过大火。 3)over the desolate hills,注意该短语所指的不是ground,而是指smoke,即烟雾在荒凉的山丘上弥漫。desolate,荒凉的。 4)注意hill(山丘)与mountain(山脉)的区别。 |
Winter was coming on and the hills threatened the surrounding village with destruction for heavy rain would not only wash away the soil but would cause serious floods as well. | 1)be coming on,即将来临。 2)threaten...with...,以...相威胁。注意threaten源自名词threat。 3)surrounding,周围的、周边的。 4)注意for引导的是表原因的并列句,起着补充说明的作用。 5)heavy rain,大雨。 6)注意“not only... but...as well”引导的并列句。其中,but前面一般要加逗号;as well可以替换为also,但also要紧跟but。 7)wash away,冲走。 8)soil,土壤。 9)cause,导致。 10)serious flood,严重的洪水。 |
When the fire had at last been put out the forest authorities ordered several tons of a special type of grass-seed which would grow quickly. | 1)put out,扑灭。 2)at last,最后、终于。该短语用在此处起到一定的强调作用,强调好不容易终于把火扑灭了。 3)authority,当局。一般都用复数。 4)order,订购。可以用作名词。 5)a special type of,一种特殊的...。 |
The seed was sprayed over the ground in huge quantities by aeroplanes. | 1)注意seed用作不可数名词,表示种子。 2)spray,喷撒。 3)in large quantities,大量地、大批地。quantity,数量。注意与quality(质量)的区别。 |
By then however in many places the grass had already taken root. | 1)提问学生句中的then指什么时候(指的是前一句中的for nearly a month when it began to rain)。 2)take root,生根、扎根。 |
In place of the great trees which had been growing there for centuries patches of green had begun to appear in the blackened soil. | 1)in place of,代替、取代。 2)for centuries,几个世纪以来。 3)patches of green,一片片的绿地。patch,小片。 4)appear,出现。其反义词为disappear(消失)。 5)blackened,烧焦的源自动词blacken(使变黑,使发暗)。 |
四、读写重点
可利用教材第285页Composition(作文)中的练习,操练如何使用连词连接句子。
可介绍森林防火的知识。
1、注意对比讲解过去完成时和过去完成进行时,后者侧重强调过去动作的持续进行。
如果觉得好,欢迎继续关注廖怀宝的原创头条号“新概念英语的教与学”!