1、当并列的主语相同时，后面的主语可省略，例如The car was quite old but (it) was in excellent condition这部车相当旧了，但机器性能还非常好
3、省略动词宾语和介词宾语，例如Let's do the dishes, I'll wash (the dishes) and you dry(the dishes)， 我们来洗碗吧，我来洗碗，你来把碗弄干
5、省略状语，例如He was not hurt. (How) strange! 他没有受伤，真奇怪 the birds singing, ( so) beautiful,鸟儿在歌唱，这么好听
