1. 整体及抽象概念作主语，谓语通常用单数形式。 How you got there doesn’t concern me. Growing vegetables needs constant watering. 2.　表示时间、距离...

动名词、分词、不定式。 主动或被动。(doing/done, to do /to be done)发生在谓语动词之前还是之后。(doing/ having done /having been done, to do/to have done ...

1. (should)+动词原形 It +be动词+形容词(-able)(essential, odd, vital, absurd, regrettable, desirable…)+that从句 . It +be动词+名词(pity,...

1. 充当句子的状语。 2. 有自己的主语，同句子的主语不一致。 3. 名词(代词，形容词，副词，介词)+ 分词4.　With + 名词 (代词) + 分词 (形容词) 例：a) It being raining, I decided...

41.It means reorganising them on democratic lines，with governing boards made up of workers and technicians from the trade u...

31.With irrigation came surplus food，which meant that large numbers of people were freed trom the land to pursue nonagraria...

21．Inability to build high-voltage generators and motors gives to the transformer immediate recognition as a highly flexibl...

11.An object with at least one easily measurable property which changes apprecially while the obiect is coming to thermal e...

1.You can already buy small video telephones，with builtin-screen and cameras，that transmit still images over regular teleph...

为了强调被动动作或突出施动者时，可以将英语被 动句译为汉语被动句。 1.汉语句中有“被”、“遭受”等词。 Eg. North China was hit by an unexpected heavy rain，which caused s...