1.如果并列句的左右兩個(gè)分句主語(yǔ)雖然不同，但是兩個(gè)分句有相同的be動(dòng)詞，那么可以省略連詞和后一個(gè)分句的be動(dòng)詞。
例句：
Its scientists were the world's best , its workers the most skilled.
→Its scientists were the world's best , (省略and)its workers (省略were) the most skilled.
它的科學(xué)家是世界上的，他的工人是世界上最熟練的。
It is said that in England death is pressing , in Canada inevitable and in California optional .
→It is said that in England death is pressing ,(省略and) in Canada (省略death is )inevitable and in California (省略death is )optional .
據(jù)說(shuō)，在英國(guó)死亡時(shí)迫在眉睫的，在加拿大死亡時(shí)不可避免的，而在加利福尼亞死亡則是可以選擇的。
2.如果并列句中左右兩個(gè)分句出現(xiàn)重復(fù)的部分，那么后一個(gè)分句可以省略重復(fù)的部分，但是沒(méi)重復(fù)的部分要保留。
例句
Do you remember all those years when scientists argued that smoking would kill us but the doubters insisted that we did not know for sure?
→Do you remember all those years when scientists argued that smoking would kill us but the doubters insisted that we did not know(省略that smoking would kill us ) for sure?
你還記得那些年科學(xué)家說(shuō)吸煙會(huì)致命，但懷疑者堅(jiān)持說(shuō)我們并不確定吸煙是否真的會(huì)致命嗎?
3.在并列句中后邊的分句可以省略與前邊分句中相同的成分
Tom picked up a coin in the road and handed it to a policeman.
→Tom picked up a coin in the road and (省略Tom )handed it to a policeman.
湯姆在馬路上拾起一枚硬幣并把它交給了警察。
Tom must have been playing Dota and Mary cooking the dinner .
→Tom must have been playing Dota and Mary(省略must have been) cooking the dinner .
湯姆肯定在打魔獸，瑪麗一直在做晚飯。