英语语法问题 can you tell me how the accident came about?这里 come about 为什么用过去式?Compared with England,China is better.为什么compare用过去式?

问题描述:

英语语法问题
can you tell me how the accident came about?这里 come about 为什么用过去式?Compared with England,China is better.为什么compare用过去式?

come about 发生
因为事故发生在过去,所以用过去式.
be compared with...与.相比较
在这里是非谓语动词做状语,句子还原成状语从句是When it is compared with England,China is better.