Nowadays Raising pets such as dogs and cats in big cities is becoming more and more popular为什么is 后面用的是ing形式呢?还有such as 为什么可以插入句子中间呢.

Nowadays Raising pets such as dogs and cats in big cities is becoming more and more popular为什么is 后面用的是ing形式呢?还有such as 为什么可以插入句子中间呢.
Nowadays Raising pets such as dogs and cats in big cities is becoming more and more popular
为什么is 后面用的是ing形式呢?还有such as 为什么可以插入句子中间呢.

Nowadays Raising pets such as dogs and cats in big cities is becoming more and more popular为什么is 后面用的是ing形式呢?还有such as 为什么可以插入句子中间呢.
句子的主语是 raising pets such as dogs and cats in big cities 整个分词短语,当单数看,所以用了is.
pets such as dogs and cats 像猫狗这样的宠物,such as.经常跟着名词之后,表示列举
例如：There are few poets such as Keats and Shelly.像济慈和雪莱这样的诗人现在很少了.
Animals such as rabbits and deer continue to be active all winter,finding food wherever they can .像兔和鹿这样的动物整个冬天都是很活跃的,它们到处寻找食物.

子俸粟

is 后ing 表示现在正在流行，现在进行时。such as作为插入语。现在大城市盛兴起养宠物潮，如养猫养狗。

ing表示现在进行时，体现事物正在发展的过程。系动词加V ing 除了表示正在进行时还可表示即将发生的动作。such as一般在句中，请参考http://zhidao.baidu.com/question/217007737.html?an=0&si=3。
Nowadays raising pets in big cities such as dogs and cats is becomi...

全部展开

ing表示现在进行时，体现事物正在发展的过程。系动词加V ing 除了表示正在进行时还可表示即将发生的动作。such as一般在句中，请参考http://zhidao.baidu.com/question/217007737.html?an=0&si=3。
Nowadays raising pets in big cities such as dogs and cats is becoming more and more popular.

收起

is 后ing 表示现在正在流行，现在进行时。such as作为插入语。现在大城市盛兴起养宠物潮，如养猫养狗. 句子的主语是 raising pets such as dogs and cats in big cities 整个分词短语，当单数看，所以用了is。
pets such as dogs and cats 像猫狗这样的宠物，such as.......经常...

全部展开

is 后ing 表示现在正在流行，现在进行时。such as作为插入语。现在大城市盛兴起养宠物潮，如养猫养狗. 句子的主语是 raising pets such as dogs and cats in big cities 整个分词短语，当单数看，所以用了is。
pets such as dogs and cats 像猫狗这样的宠物，such as.......经常跟着名词之后，表示列举
例如：There are few poets such as Keats and Shelly. 像济慈和雪莱这样的诗人现在很少了。
Animals such as rabbits and deer continue to be active all winter，finding food wherever they can . 像兔和鹿这样的动物整个冬天都是很活跃的，它们到处寻找食物。

收起